ARK-OS/arkos/system/sysroot/usr/share/info/libc.info-15

This is libc.info, produced by makeinfo version 7.3 from libc.texinfo.

This is ‘The GNU C Library Reference Manual’, for version 2.43.

   Copyright © 1993-2026 Free Software Foundation, Inc.

   Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
any later version published by the Free Software Foundation; with the
Invariant Sections being "Free Software Needs Free Documentation" and
"GNU Lesser General Public License", the Front-Cover texts being "A GNU
Manual", and with the Back-Cover Texts as in (a) below.  A copy of the
license is included in the section entitled "GNU Free Documentation
License".

   (a) The FSF's Back-Cover Text is: "You have the freedom to copy and
modify this GNU manual.  Buying copies from the FSF supports it in
developing GNU and promoting software freedom."
INFO-DIR-SECTION Software libraries
START-INFO-DIR-ENTRY
* Libc: (libc).                 C library.
END-INFO-DIR-ENTRY

INFO-DIR-SECTION GNU C library functions and macros
START-INFO-DIR-ENTRY
* ALTWERASE: (libc)Local Modes.
* ARGP_ERR_UNKNOWN: (libc)Argp Parser Functions.
* ARG_MAX: (libc)General Limits.
* BAUD_MAX: (libc)Line Speed.
* BC_BASE_MAX: (libc)Utility Limits.
* BC_DIM_MAX: (libc)Utility Limits.
* BC_SCALE_MAX: (libc)Utility Limits.
* BC_STRING_MAX: (libc)Utility Limits.
* BRKINT: (libc)Input Modes.
* BUFSIZ: (libc)Controlling Buffering.
* CCTS_OFLOW: (libc)Control Modes.
* CHAR_BIT: (libc)Width of Type.
* CHILD_MAX: (libc)General Limits.
* CIGNORE: (libc)Control Modes.
* CLK_TCK: (libc)Processor Time.
* CLOCAL: (libc)Control Modes.
* CLOCKS_PER_SEC: (libc)CPU Time.
* CLOCK_BOOTTIME: (libc)Getting the Time.
* CLOCK_BOOTTIME_ALARM: (libc)Getting the Time.
* CLOCK_MONOTONIC: (libc)Getting the Time.
* CLOCK_MONOTONIC_COARSE: (libc)Getting the Time.
* CLOCK_MONOTONIC_RAW: (libc)Getting the Time.
* CLOCK_PROCESS_CPUTIME_ID: (libc)Getting the Time.
* CLOCK_REALTIME: (libc)Getting the Time.
* CLOCK_REALTIME_ALARM: (libc)Getting the Time.
* CLOCK_REALTIME_COARSE: (libc)Getting the Time.
* CLOCK_TAI: (libc)Getting the Time.
* CLOCK_THREAD_CPUTIME_ID: (libc)Getting the Time.
* COLL_WEIGHTS_MAX: (libc)Utility Limits.
* CPU_ALLOC: (libc)CPU Affinity.
* CPU_ALLOC_SIZE: (libc)CPU Affinity.
* CPU_AND: (libc)CPU Affinity.
* CPU_AND_S: (libc)CPU Affinity.
* CPU_CLR: (libc)CPU Affinity.
* CPU_CLR_S: (libc)CPU Affinity.
* CPU_COUNT: (libc)CPU Affinity.
* CPU_COUNT_S: (libc)CPU Affinity.
* CPU_EQUAL: (libc)CPU Affinity.
* CPU_EQUAL_S: (libc)CPU Affinity.
* CPU_FEATURE_ACTIVE: (libc)X86.
* CPU_FEATURE_PRESENT: (libc)X86.
* CPU_FREE: (libc)CPU Affinity.
* CPU_ISSET: (libc)CPU Affinity.
* CPU_ISSET_S: (libc)CPU Affinity.
* CPU_OR: (libc)CPU Affinity.
* CPU_OR_S: (libc)CPU Affinity.
* CPU_SET: (libc)CPU Affinity.
* CPU_SETSIZE: (libc)CPU Affinity.
* CPU_SET_S: (libc)CPU Affinity.
* CPU_XOR: (libc)CPU Affinity.
* CPU_XOR_S: (libc)CPU Affinity.
* CPU_ZERO: (libc)CPU Affinity.
* CPU_ZERO_S: (libc)CPU Affinity.
* CREAD: (libc)Control Modes.
* CRTS_IFLOW: (libc)Control Modes.
* CS5: (libc)Control Modes.
* CS6: (libc)Control Modes.
* CS7: (libc)Control Modes.
* CS8: (libc)Control Modes.
* CSIZE: (libc)Control Modes.
* CSTOPB: (libc)Control Modes.
* DLFO_EH_SEGMENT_TYPE: (libc)Dynamic Linker Introspection.
* DLFO_STRUCT_HAS_EH_COUNT: (libc)Dynamic Linker Introspection.
* DLFO_STRUCT_HAS_EH_DBASE: (libc)Dynamic Linker Introspection.
* DTTOIF: (libc)Directory Entries.
* E2BIG: (libc)Error Codes.
* EACCES: (libc)Error Codes.
* EADDRINUSE: (libc)Error Codes.
* EADDRNOTAVAIL: (libc)Error Codes.
* EADV: (libc)Error Codes.
* EAFNOSUPPORT: (libc)Error Codes.
* EAGAIN: (libc)Error Codes.
* EALREADY: (libc)Error Codes.
* EAUTH: (libc)Error Codes.
* EBACKGROUND: (libc)Error Codes.
* EBADE: (libc)Error Codes.
* EBADF: (libc)Error Codes.
* EBADFD: (libc)Error Codes.
* EBADMSG: (libc)Error Codes.
* EBADR: (libc)Error Codes.
* EBADRPC: (libc)Error Codes.
* EBADRQC: (libc)Error Codes.
* EBADSLT: (libc)Error Codes.
* EBFONT: (libc)Error Codes.
* EBUSY: (libc)Error Codes.
* ECANCELED: (libc)Error Codes.
* ECHILD: (libc)Error Codes.
* ECHO: (libc)Local Modes.
* ECHOCTL: (libc)Local Modes.
* ECHOE: (libc)Local Modes.
* ECHOK: (libc)Local Modes.
* ECHOKE: (libc)Local Modes.
* ECHONL: (libc)Local Modes.
* ECHOPRT: (libc)Local Modes.
* ECHRNG: (libc)Error Codes.
* ECOMM: (libc)Error Codes.
* ECONNABORTED: (libc)Error Codes.
* ECONNREFUSED: (libc)Error Codes.
* ECONNRESET: (libc)Error Codes.
* ED: (libc)Error Codes.
* EDEADLK: (libc)Error Codes.
* EDEADLOCK: (libc)Error Codes.
* EDESTADDRREQ: (libc)Error Codes.
* EDIED: (libc)Error Codes.
* EDOM: (libc)Error Codes.
* EDOTDOT: (libc)Error Codes.
* EDQUOT: (libc)Error Codes.
* EEXIST: (libc)Error Codes.
* EFAULT: (libc)Error Codes.
* EFBIG: (libc)Error Codes.
* EFTYPE: (libc)Error Codes.
* EGRATUITOUS: (libc)Error Codes.
* EGREGIOUS: (libc)Error Codes.
* EHOSTDOWN: (libc)Error Codes.
* EHOSTUNREACH: (libc)Error Codes.
* EHWPOISON: (libc)Error Codes.
* EIDRM: (libc)Error Codes.
* EIEIO: (libc)Error Codes.
* EILSEQ: (libc)Error Codes.
* EINPROGRESS: (libc)Error Codes.
* EINTR: (libc)Error Codes.
* EINVAL: (libc)Error Codes.
* EIO: (libc)Error Codes.
* EISCONN: (libc)Error Codes.
* EISDIR: (libc)Error Codes.
* EISNAM: (libc)Error Codes.
* EKEYEXPIRED: (libc)Error Codes.
* EKEYREJECTED: (libc)Error Codes.
* EKEYREVOKED: (libc)Error Codes.
* EL2HLT: (libc)Error Codes.
* EL2NSYNC: (libc)Error Codes.
* EL3HLT: (libc)Error Codes.
* EL3RST: (libc)Error Codes.
* ELIBACC: (libc)Error Codes.
* ELIBBAD: (libc)Error Codes.
* ELIBEXEC: (libc)Error Codes.
* ELIBMAX: (libc)Error Codes.
* ELIBSCN: (libc)Error Codes.
* ELNRNG: (libc)Error Codes.
* ELOOP: (libc)Error Codes.
* EMEDIUMTYPE: (libc)Error Codes.
* EMFILE: (libc)Error Codes.
* EMLINK: (libc)Error Codes.
* EMSGSIZE: (libc)Error Codes.
* EMULTIHOP: (libc)Error Codes.
* ENAMETOOLONG: (libc)Error Codes.
* ENAVAIL: (libc)Error Codes.
* ENEEDAUTH: (libc)Error Codes.
* ENETDOWN: (libc)Error Codes.
* ENETRESET: (libc)Error Codes.
* ENETUNREACH: (libc)Error Codes.
* ENFILE: (libc)Error Codes.
* ENOANO: (libc)Error Codes.
* ENOBUFS: (libc)Error Codes.
* ENOCSI: (libc)Error Codes.
* ENODATA: (libc)Error Codes.
* ENODEV: (libc)Error Codes.
* ENOENT: (libc)Error Codes.
* ENOEXEC: (libc)Error Codes.
* ENOKEY: (libc)Error Codes.
* ENOLCK: (libc)Error Codes.
* ENOLINK: (libc)Error Codes.
* ENOMEDIUM: (libc)Error Codes.
* ENOMEM: (libc)Error Codes.
* ENOMSG: (libc)Error Codes.
* ENONET: (libc)Error Codes.
* ENOPKG: (libc)Error Codes.
* ENOPROTOOPT: (libc)Error Codes.
* ENOSPC: (libc)Error Codes.
* ENOSR: (libc)Error Codes.
* ENOSTR: (libc)Error Codes.
* ENOSYS: (libc)Error Codes.
* ENOTBLK: (libc)Error Codes.
* ENOTCONN: (libc)Error Codes.
* ENOTDIR: (libc)Error Codes.
* ENOTEMPTY: (libc)Error Codes.
* ENOTNAM: (libc)Error Codes.
* ENOTRECOVERABLE: (libc)Error Codes.
* ENOTSOCK: (libc)Error Codes.
* ENOTSUP: (libc)Error Codes.
* ENOTTY: (libc)Error Codes.
* ENOTUNIQ: (libc)Error Codes.
* ENXIO: (libc)Error Codes.
* EOF: (libc)EOF and Errors.
* EOPNOTSUPP: (libc)Error Codes.
* EOVERFLOW: (libc)Error Codes.
* EOWNERDEAD: (libc)Error Codes.
* EPERM: (libc)Error Codes.
* EPFNOSUPPORT: (libc)Error Codes.
* EPIPE: (libc)Error Codes.
* EPROCLIM: (libc)Error Codes.
* EPROCUNAVAIL: (libc)Error Codes.
* EPROGMISMATCH: (libc)Error Codes.
* EPROGUNAVAIL: (libc)Error Codes.
* EPROTO: (libc)Error Codes.
* EPROTONOSUPPORT: (libc)Error Codes.
* EPROTOTYPE: (libc)Error Codes.
* EQUIV_CLASS_MAX: (libc)Utility Limits.
* ERANGE: (libc)Error Codes.
* EREMCHG: (libc)Error Codes.
* EREMOTE: (libc)Error Codes.
* EREMOTEIO: (libc)Error Codes.
* ERESTART: (libc)Error Codes.
* ERFKILL: (libc)Error Codes.
* EROFS: (libc)Error Codes.
* ERPCMISMATCH: (libc)Error Codes.
* ESHUTDOWN: (libc)Error Codes.
* ESOCKTNOSUPPORT: (libc)Error Codes.
* ESPIPE: (libc)Error Codes.
* ESRCH: (libc)Error Codes.
* ESRMNT: (libc)Error Codes.
* ESTALE: (libc)Error Codes.
* ESTRPIPE: (libc)Error Codes.
* ETIME: (libc)Error Codes.
* ETIMEDOUT: (libc)Error Codes.
* ETOOMANYREFS: (libc)Error Codes.
* ETXTBSY: (libc)Error Codes.
* EUCLEAN: (libc)Error Codes.
* EUNATCH: (libc)Error Codes.
* EUSERS: (libc)Error Codes.
* EWOULDBLOCK: (libc)Error Codes.
* EXDEV: (libc)Error Codes.
* EXFULL: (libc)Error Codes.
* EXIT_FAILURE: (libc)Exit Status.
* EXIT_SUCCESS: (libc)Exit Status.
* EXPR_NEST_MAX: (libc)Utility Limits.
* FD_CLOEXEC: (libc)Descriptor Flags.
* FD_CLR: (libc)Waiting for I/O.
* FD_ISSET: (libc)Waiting for I/O.
* FD_SET: (libc)Waiting for I/O.
* FD_SETSIZE: (libc)Waiting for I/O.
* FD_ZERO: (libc)Waiting for I/O.
* FE_SNANS_ALWAYS_SIGNAL: (libc)Infinity and NaN.
* FILENAME_MAX: (libc)Limits for Files.
* FLUSHO: (libc)Local Modes.
* FOPEN_MAX: (libc)Opening Streams.
* FP_ILOGB0: (libc)Exponents and Logarithms.
* FP_ILOGBNAN: (libc)Exponents and Logarithms.
* FP_LLOGB0: (libc)Exponents and Logarithms.
* FP_LLOGBNAN: (libc)Exponents and Logarithms.
* F_DUPFD: (libc)Duplicating Descriptors.
* F_GETFD: (libc)Descriptor Flags.
* F_GETFL: (libc)Getting File Status Flags.
* F_GETLK: (libc)File Locks.
* F_GETOWN: (libc)Interrupt Input.
* F_OFD_GETLK: (libc)Open File Description Locks.
* F_OFD_SETLK: (libc)Open File Description Locks.
* F_OFD_SETLKW: (libc)Open File Description Locks.
* F_OK: (libc)Testing File Access.
* F_SETFD: (libc)Descriptor Flags.
* F_SETFL: (libc)Getting File Status Flags.
* F_SETLK: (libc)File Locks.
* F_SETLKW: (libc)File Locks.
* F_SETOWN: (libc)Interrupt Input.
* HUGE_VAL: (libc)Math Error Reporting.
* HUGE_VALF: (libc)Math Error Reporting.
* HUGE_VALL: (libc)Math Error Reporting.
* HUGE_VAL_FN: (libc)Math Error Reporting.
* HUGE_VAL_FNx: (libc)Math Error Reporting.
* HUPCL: (libc)Control Modes.
* I: (libc)Complex Numbers.
* ICANON: (libc)Local Modes.
* ICRNL: (libc)Input Modes.
* IEXTEN: (libc)Local Modes.
* IFNAMSIZ: (libc)Interface Naming.
* IFTODT: (libc)Directory Entries.
* IGNBRK: (libc)Input Modes.
* IGNCR: (libc)Input Modes.
* IGNPAR: (libc)Input Modes.
* IMAXBEL: (libc)Input Modes.
* INADDR_ANY: (libc)Host Address Data Type.
* INADDR_BROADCAST: (libc)Host Address Data Type.
* INADDR_LOOPBACK: (libc)Host Address Data Type.
* INADDR_NONE: (libc)Host Address Data Type.
* INFINITY: (libc)Infinity and NaN.
* INLCR: (libc)Input Modes.
* INPCK: (libc)Input Modes.
* IPPORT_RESERVED: (libc)Ports.
* IPPORT_USERRESERVED: (libc)Ports.
* ISIG: (libc)Local Modes.
* ISTRIP: (libc)Input Modes.
* IXANY: (libc)Input Modes.
* IXOFF: (libc)Input Modes.
* IXON: (libc)Input Modes.
* LINE_MAX: (libc)Utility Limits.
* LINK_MAX: (libc)Limits for Files.
* L_ctermid: (libc)Identifying the Terminal.
* L_cuserid: (libc)Who Logged In.
* L_tmpnam: (libc)Temporary Files.
* MAXNAMLEN: (libc)Limits for Files.
* MAXSYMLINKS: (libc)Symbolic Links.
* MAX_CANON: (libc)Limits for Files.
* MAX_INPUT: (libc)Limits for Files.
* MB_CUR_MAX: (libc)Selecting the Conversion.
* MB_LEN_MAX: (libc)Selecting the Conversion.
* MDMBUF: (libc)Control Modes.
* MSG_DONTROUTE: (libc)Socket Data Options.
* MSG_OOB: (libc)Socket Data Options.
* MSG_PEEK: (libc)Socket Data Options.
* NAME_MAX: (libc)Limits for Files.
* NAN: (libc)Infinity and NaN.
* NCCS: (libc)Mode Data Types.
* NGROUPS_MAX: (libc)General Limits.
* NOFLSH: (libc)Local Modes.
* NOKERNINFO: (libc)Local Modes.
* NSIG: (libc)Standard Signals.
* NULL: (libc)Null Pointer Constant.
* ONLCR: (libc)Output Modes.
* ONOEOT: (libc)Output Modes.
* OPEN_MAX: (libc)General Limits.
* OPOST: (libc)Output Modes.
* OXTABS: (libc)Output Modes.
* O_ACCMODE: (libc)Access Modes.
* O_APPEND: (libc)Operating Modes.
* O_ASYNC: (libc)Operating Modes.
* O_CREAT: (libc)Open-time Flags.
* O_DIRECTORY: (libc)Open-time Flags.
* O_EXCL: (libc)Open-time Flags.
* O_EXEC: (libc)Access Modes.
* O_EXLOCK: (libc)Open-time Flags.
* O_FSYNC: (libc)Operating Modes.
* O_IGNORE_CTTY: (libc)Open-time Flags.
* O_NDELAY: (libc)Operating Modes.
* O_NOATIME: (libc)Operating Modes.
* O_NOCTTY: (libc)Open-time Flags.
* O_NOFOLLOW: (libc)Open-time Flags.
* O_NOLINK: (libc)Open-time Flags.
* O_NONBLOCK: (libc)Open-time Flags.
* O_NONBLOCK: (libc)Operating Modes.
* O_NOTRANS: (libc)Open-time Flags.
* O_PATH: (libc)Access Modes.
* O_RDONLY: (libc)Access Modes.
* O_RDWR: (libc)Access Modes.
* O_READ: (libc)Access Modes.
* O_SHLOCK: (libc)Open-time Flags.
* O_SYNC: (libc)Operating Modes.
* O_TMPFILE: (libc)Open-time Flags.
* O_TRUNC: (libc)Open-time Flags.
* O_WRITE: (libc)Access Modes.
* O_WRONLY: (libc)Access Modes.
* PARENB: (libc)Control Modes.
* PARMRK: (libc)Input Modes.
* PARODD: (libc)Control Modes.
* PATH_MAX: (libc)Limits for Files.
* PA_FLAG_MASK: (libc)Parsing a Template String.
* PENDIN: (libc)Local Modes.
* PF_FILE: (libc)Local Namespace Details.
* PF_INET6: (libc)Internet Namespace.
* PF_INET: (libc)Internet Namespace.
* PF_LOCAL: (libc)Local Namespace Details.
* PF_UNIX: (libc)Local Namespace Details.
* PIPE_BUF: (libc)Limits for Files.
* PTHREAD_ATTR_NO_SIGMASK_NP: (libc)Initial Thread Signal Mask.
* P_tmpdir: (libc)Temporary Files.
* RAND_MAX: (libc)ISO Random.
* RE_DUP_MAX: (libc)General Limits.
* RLIM_INFINITY: (libc)Limits on Resources.
* RSEQ_SIG: (libc)Restartable Sequences.
* R_OK: (libc)Testing File Access.
* SA_NOCLDSTOP: (libc)Flags for Sigaction.
* SA_NOCLDWAIT: (libc)Flags for Sigaction.
* SA_NODEFER: (libc)Flags for Sigaction.
* SA_ONSTACK: (libc)Flags for Sigaction.
* SA_RESETHAND: (libc)Flags for Sigaction.
* SA_RESTART: (libc)Flags for Sigaction.
* SA_SIGINFO: (libc)Flags for Sigaction.
* SEEK_CUR: (libc)File Positioning.
* SEEK_END: (libc)File Positioning.
* SEEK_SET: (libc)File Positioning.
* SIGABRT: (libc)Program Error Signals.
* SIGALRM: (libc)Alarm Signals.
* SIGBUS: (libc)Program Error Signals.
* SIGCHLD: (libc)Job Control Signals.
* SIGCLD: (libc)Job Control Signals.
* SIGCONT: (libc)Job Control Signals.
* SIGEMT: (libc)Program Error Signals.
* SIGFPE: (libc)Program Error Signals.
* SIGHUP: (libc)Termination Signals.
* SIGILL: (libc)Program Error Signals.
* SIGINFO: (libc)Miscellaneous Signals.
* SIGINT: (libc)Termination Signals.
* SIGIO: (libc)Asynchronous I/O Signals.
* SIGIOT: (libc)Program Error Signals.
* SIGKILL: (libc)Termination Signals.
* SIGLOST: (libc)Operation Error Signals.
* SIGPIPE: (libc)Operation Error Signals.
* SIGPOLL: (libc)Asynchronous I/O Signals.
* SIGPROF: (libc)Alarm Signals.
* SIGPWR: (libc)Miscellaneous Signals.
* SIGQUIT: (libc)Termination Signals.
* SIGSEGV: (libc)Program Error Signals.
* SIGSTKFLT: (libc)Program Error Signals.
* SIGSTOP: (libc)Job Control Signals.
* SIGSYS: (libc)Program Error Signals.
* SIGTERM: (libc)Termination Signals.
* SIGTRAP: (libc)Program Error Signals.
* SIGTSTP: (libc)Job Control Signals.
* SIGTTIN: (libc)Job Control Signals.
* SIGTTOU: (libc)Job Control Signals.
* SIGURG: (libc)Asynchronous I/O Signals.
* SIGUSR1: (libc)Miscellaneous Signals.
* SIGUSR2: (libc)Miscellaneous Signals.
* SIGVTALRM: (libc)Alarm Signals.
* SIGWINCH: (libc)Miscellaneous Signals.
* SIGXCPU: (libc)Operation Error Signals.
* SIGXFSZ: (libc)Operation Error Signals.
* SIG_ERR: (libc)Basic Signal Handling.
* SNAN: (libc)Infinity and NaN.
* SNANF: (libc)Infinity and NaN.
* SNANFN: (libc)Infinity and NaN.
* SNANFNx: (libc)Infinity and NaN.
* SNANL: (libc)Infinity and NaN.
* SOCK_DGRAM: (libc)Communication Styles.
* SOCK_RAW: (libc)Communication Styles.
* SOCK_RDM: (libc)Communication Styles.
* SOCK_SEQPACKET: (libc)Communication Styles.
* SOCK_STREAM: (libc)Communication Styles.
* SOL_SOCKET: (libc)Socket-Level Options.
* SPEED_MAX: (libc)Line Speed.
* SSIZE_MAX: (libc)General Limits.
* STREAM_MAX: (libc)General Limits.
* SUN_LEN: (libc)Local Namespace Details.
* S_IFMT: (libc)Testing File Type.
* S_ISBLK: (libc)Testing File Type.
* S_ISCHR: (libc)Testing File Type.
* S_ISDIR: (libc)Testing File Type.
* S_ISFIFO: (libc)Testing File Type.
* S_ISLNK: (libc)Testing File Type.
* S_ISREG: (libc)Testing File Type.
* S_ISSOCK: (libc)Testing File Type.
* S_TYPEISMQ: (libc)Testing File Type.
* S_TYPEISSEM: (libc)Testing File Type.
* S_TYPEISSHM: (libc)Testing File Type.
* TIME_UTC: (libc)Getting the Time.
* TMP_MAX: (libc)Temporary Files.
* TOSTOP: (libc)Local Modes.
* TZNAME_MAX: (libc)General Limits.
* VDISCARD: (libc)Other Special.
* VDSUSP: (libc)Signal Characters.
* VEOF: (libc)Editing Characters.
* VEOL2: (libc)Editing Characters.
* VEOL: (libc)Editing Characters.
* VERASE: (libc)Editing Characters.
* VINTR: (libc)Signal Characters.
* VKILL: (libc)Editing Characters.
* VLNEXT: (libc)Other Special.
* VMIN: (libc)Noncanonical Input.
* VQUIT: (libc)Signal Characters.
* VREPRINT: (libc)Editing Characters.
* VSTART: (libc)Start/Stop Characters.
* VSTATUS: (libc)Other Special.
* VSTOP: (libc)Start/Stop Characters.
* VSUSP: (libc)Signal Characters.
* VTIME: (libc)Noncanonical Input.
* VWERASE: (libc)Editing Characters.
* WCHAR_MAX: (libc)Extended Char Intro.
* WCHAR_MIN: (libc)Extended Char Intro.
* WCOREDUMP: (libc)Process Completion Status.
* WEOF: (libc)EOF and Errors.
* WEOF: (libc)Extended Char Intro.
* WEXITSTATUS: (libc)Process Completion Status.
* WIFEXITED: (libc)Process Completion Status.
* WIFSIGNALED: (libc)Process Completion Status.
* WIFSTOPPED: (libc)Process Completion Status.
* WSTOPSIG: (libc)Process Completion Status.
* WTERMSIG: (libc)Process Completion Status.
* W_OK: (libc)Testing File Access.
* X_OK: (libc)Testing File Access.
* _Complex_I: (libc)Complex Numbers.
* _Exit: (libc)Termination Internals.
* _Fork: (libc)Creating a Process.
* _IOFBF: (libc)Controlling Buffering.
* _IOLBF: (libc)Controlling Buffering.
* _IONBF: (libc)Controlling Buffering.
* _Imaginary_I: (libc)Complex Numbers.
* _PATH_UTMP: (libc)Manipulating the Database.
* _PATH_WTMP: (libc)Manipulating the Database.
* _POSIX2_C_DEV: (libc)System Options.
* _POSIX2_C_VERSION: (libc)Version Supported.
* _POSIX2_FORT_DEV: (libc)System Options.
* _POSIX2_FORT_RUN: (libc)System Options.
* _POSIX2_LOCALEDEF: (libc)System Options.
* _POSIX2_SW_DEV: (libc)System Options.
* _POSIX_CHOWN_RESTRICTED: (libc)Options for Files.
* _POSIX_JOB_CONTROL: (libc)System Options.
* _POSIX_NO_TRUNC: (libc)Options for Files.
* _POSIX_SAVED_IDS: (libc)System Options.
* _POSIX_VDISABLE: (libc)Options for Files.
* _POSIX_VERSION: (libc)Version Supported.
* __fbufsize: (libc)Controlling Buffering.
* __flbf: (libc)Controlling Buffering.
* __fpending: (libc)Controlling Buffering.
* __fpurge: (libc)Flushing Buffers.
* __freadable: (libc)Opening Streams.
* __freading: (libc)Opening Streams.
* __fsetlocking: (libc)Streams and Threads.
* __fwritable: (libc)Opening Streams.
* __fwriting: (libc)Opening Streams.
* __gconv_end_fct: (libc)glibc iconv Implementation.
* __gconv_fct: (libc)glibc iconv Implementation.
* __gconv_init_fct: (libc)glibc iconv Implementation.
* __ppc_get_timebase: (libc)PowerPC.
* __ppc_get_timebase_freq: (libc)PowerPC.
* __ppc_mdoio: (libc)PowerPC.
* __ppc_mdoom: (libc)PowerPC.
* __ppc_set_ppr_low: (libc)PowerPC.
* __ppc_set_ppr_med: (libc)PowerPC.
* __ppc_set_ppr_med_high: (libc)PowerPC.
* __ppc_set_ppr_med_low: (libc)PowerPC.
* __ppc_set_ppr_very_low: (libc)PowerPC.
* __ppc_yield: (libc)PowerPC.
* __riscv_flush_icache: (libc)RISC-V.
* __va_copy: (libc)Argument Macros.
* __x86_get_cpuid_feature_leaf: (libc)X86.
* _dl_find_object: (libc)Dynamic Linker Introspection.
* _exit: (libc)Termination Internals.
* _flushlbf: (libc)Flushing Buffers.
* _tolower: (libc)Case Conversion.
* _toupper: (libc)Case Conversion.
* a64l: (libc)Encode Binary Data.
* abort: (libc)Aborting a Program.
* abs: (libc)Absolute Value.
* accept: (libc)Accepting Connections.
* access: (libc)Testing File Access.
* acos: (libc)Inverse Trig Functions.
* acosf: (libc)Inverse Trig Functions.
* acosfN: (libc)Inverse Trig Functions.
* acosfNx: (libc)Inverse Trig Functions.
* acosh: (libc)Hyperbolic Functions.
* acoshf: (libc)Hyperbolic Functions.
* acoshfN: (libc)Hyperbolic Functions.
* acoshfNx: (libc)Hyperbolic Functions.
* acoshl: (libc)Hyperbolic Functions.
* acosl: (libc)Inverse Trig Functions.
* acospi: (libc)Inverse Trig Functions.
* acospif: (libc)Inverse Trig Functions.
* acospifN: (libc)Inverse Trig Functions.
* acospifNx: (libc)Inverse Trig Functions.
* acospil: (libc)Inverse Trig Functions.
* addmntent: (libc)mtab.
* addseverity: (libc)Adding Severity Classes.
* adjtime: (libc)Setting and Adjusting the Time.
* adjtimex: (libc)Setting and Adjusting the Time.
* aio_cancel64: (libc)Cancel AIO Operations.
* aio_cancel: (libc)Cancel AIO Operations.
* aio_error64: (libc)Status of AIO Operations.
* aio_error: (libc)Status of AIO Operations.
* aio_fsync64: (libc)Synchronizing AIO Operations.
* aio_fsync: (libc)Synchronizing AIO Operations.
* aio_init: (libc)Configuration of AIO.
* aio_read64: (libc)Asynchronous Reads/Writes.
* aio_read: (libc)Asynchronous Reads/Writes.
* aio_return64: (libc)Status of AIO Operations.
* aio_return: (libc)Status of AIO Operations.
* aio_suspend64: (libc)Synchronizing AIO Operations.
* aio_suspend: (libc)Synchronizing AIO Operations.
* aio_write64: (libc)Asynchronous Reads/Writes.
* aio_write: (libc)Asynchronous Reads/Writes.
* alarm: (libc)Setting an Alarm.
* aligned_alloc: (libc)Aligned Memory Blocks.
* alloca: (libc)Variable Size Automatic.
* alphasort64: (libc)Scanning Directory Content.
* alphasort: (libc)Scanning Directory Content.
* arc4random: (libc)High Quality Random.
* arc4random_buf: (libc)High Quality Random.
* arc4random_uniform: (libc)High Quality Random.
* argp_error: (libc)Argp Helper Functions.
* argp_failure: (libc)Argp Helper Functions.
* argp_help: (libc)Argp Help.
* argp_parse: (libc)Argp.
* argp_state_help: (libc)Argp Helper Functions.
* argp_usage: (libc)Argp Helper Functions.
* argz_add: (libc)Argz Functions.
* argz_add_sep: (libc)Argz Functions.
* argz_append: (libc)Argz Functions.
* argz_count: (libc)Argz Functions.
* argz_create: (libc)Argz Functions.
* argz_create_sep: (libc)Argz Functions.
* argz_delete: (libc)Argz Functions.
* argz_extract: (libc)Argz Functions.
* argz_insert: (libc)Argz Functions.
* argz_next: (libc)Argz Functions.
* argz_replace: (libc)Argz Functions.
* argz_stringify: (libc)Argz Functions.
* asctime: (libc)Formatting Calendar Time.
* asctime_r: (libc)Formatting Calendar Time.
* asin: (libc)Inverse Trig Functions.
* asinf: (libc)Inverse Trig Functions.
* asinfN: (libc)Inverse Trig Functions.
* asinfNx: (libc)Inverse Trig Functions.
* asinh: (libc)Hyperbolic Functions.
* asinhf: (libc)Hyperbolic Functions.
* asinhfN: (libc)Hyperbolic Functions.
* asinhfNx: (libc)Hyperbolic Functions.
* asinhl: (libc)Hyperbolic Functions.
* asinl: (libc)Inverse Trig Functions.
* asinpi: (libc)Inverse Trig Functions.
* asinpif: (libc)Inverse Trig Functions.
* asinpifN: (libc)Inverse Trig Functions.
* asinpifNx: (libc)Inverse Trig Functions.
* asinpil: (libc)Inverse Trig Functions.
* asprintf: (libc)Dynamic Output.
* assert: (libc)Consistency Checking.
* assert_perror: (libc)Consistency Checking.
* atan2: (libc)Inverse Trig Functions.
* atan2f: (libc)Inverse Trig Functions.
* atan2fN: (libc)Inverse Trig Functions.
* atan2fNx: (libc)Inverse Trig Functions.
* atan2l: (libc)Inverse Trig Functions.
* atan2pi: (libc)Inverse Trig Functions.
* atan2pif: (libc)Inverse Trig Functions.
* atan2pifN: (libc)Inverse Trig Functions.
* atan2pifNx: (libc)Inverse Trig Functions.
* atan2pil: (libc)Inverse Trig Functions.
* atan: (libc)Inverse Trig Functions.
* atanf: (libc)Inverse Trig Functions.
* atanfN: (libc)Inverse Trig Functions.
* atanfNx: (libc)Inverse Trig Functions.
* atanh: (libc)Hyperbolic Functions.
* atanhf: (libc)Hyperbolic Functions.
* atanhfN: (libc)Hyperbolic Functions.
* atanhfNx: (libc)Hyperbolic Functions.
* atanhl: (libc)Hyperbolic Functions.
* atanl: (libc)Inverse Trig Functions.
* atanpi: (libc)Inverse Trig Functions.
* atanpif: (libc)Inverse Trig Functions.
* atanpifN: (libc)Inverse Trig Functions.
* atanpifNx: (libc)Inverse Trig Functions.
* atanpil: (libc)Inverse Trig Functions.
* atexit: (libc)Cleanups on Exit.
* atof: (libc)Parsing of Floats.
* atoi: (libc)Parsing of Integers.
* atol: (libc)Parsing of Integers.
* atoll: (libc)Parsing of Integers.
* backtrace: (libc)Backtraces.
* backtrace_symbols: (libc)Backtraces.
* backtrace_symbols_fd: (libc)Backtraces.
* basename: (libc)Finding Tokens in a String.
* basename: (libc)Finding Tokens in a String.
* bcmp: (libc)String/Array Comparison.
* bcopy: (libc)Copying Strings and Arrays.
* bind: (libc)Setting Address.
* bind_textdomain_codeset: (libc)Charset conversion in gettext.
* bindtextdomain: (libc)Locating gettext catalog.
* brk: (libc)Resizing the Data Segment.
* bsearch: (libc)Array Search Function.
* btowc: (libc)Converting a Character.
* bzero: (libc)Copying Strings and Arrays.
* cabs: (libc)Absolute Value.
* cabsf: (libc)Absolute Value.
* cabsfN: (libc)Absolute Value.
* cabsfNx: (libc)Absolute Value.
* cabsl: (libc)Absolute Value.
* cacos: (libc)Inverse Trig Functions.
* cacosf: (libc)Inverse Trig Functions.
* cacosfN: (libc)Inverse Trig Functions.
* cacosfNx: (libc)Inverse Trig Functions.
* cacosh: (libc)Hyperbolic Functions.
* cacoshf: (libc)Hyperbolic Functions.
* cacoshfN: (libc)Hyperbolic Functions.
* cacoshfNx: (libc)Hyperbolic Functions.
* cacoshl: (libc)Hyperbolic Functions.
* cacosl: (libc)Inverse Trig Functions.
* call_once: (libc)Call Once.
* calloc: (libc)Allocating Cleared Space.
* canonicalize: (libc)FP Bit Twiddling.
* canonicalize_file_name: (libc)Symbolic Links.
* canonicalizef: (libc)FP Bit Twiddling.
* canonicalizefN: (libc)FP Bit Twiddling.
* canonicalizefNx: (libc)FP Bit Twiddling.
* canonicalizel: (libc)FP Bit Twiddling.
* carg: (libc)Operations on Complex.
* cargf: (libc)Operations on Complex.
* cargfN: (libc)Operations on Complex.
* cargfNx: (libc)Operations on Complex.
* cargl: (libc)Operations on Complex.
* casin: (libc)Inverse Trig Functions.
* casinf: (libc)Inverse Trig Functions.
* casinfN: (libc)Inverse Trig Functions.
* casinfNx: (libc)Inverse Trig Functions.
* casinh: (libc)Hyperbolic Functions.
* casinhf: (libc)Hyperbolic Functions.
* casinhfN: (libc)Hyperbolic Functions.
* casinhfNx: (libc)Hyperbolic Functions.
* casinhl: (libc)Hyperbolic Functions.
* casinl: (libc)Inverse Trig Functions.
* catan: (libc)Inverse Trig Functions.
* catanf: (libc)Inverse Trig Functions.
* catanfN: (libc)Inverse Trig Functions.
* catanfNx: (libc)Inverse Trig Functions.
* catanh: (libc)Hyperbolic Functions.
* catanhf: (libc)Hyperbolic Functions.
* catanhfN: (libc)Hyperbolic Functions.
* catanhfNx: (libc)Hyperbolic Functions.
* catanhl: (libc)Hyperbolic Functions.
* catanl: (libc)Inverse Trig Functions.
* catclose: (libc)The catgets Functions.
* catgets: (libc)The catgets Functions.
* catopen: (libc)The catgets Functions.
* cbrt: (libc)Exponents and Logarithms.
* cbrtf: (libc)Exponents and Logarithms.
* cbrtfN: (libc)Exponents and Logarithms.
* cbrtfNx: (libc)Exponents and Logarithms.
* cbrtl: (libc)Exponents and Logarithms.
* ccos: (libc)Trig Functions.
* ccosf: (libc)Trig Functions.
* ccosfN: (libc)Trig Functions.
* ccosfNx: (libc)Trig Functions.
* ccosh: (libc)Hyperbolic Functions.
* ccoshf: (libc)Hyperbolic Functions.
* ccoshfN: (libc)Hyperbolic Functions.
* ccoshfNx: (libc)Hyperbolic Functions.
* ccoshl: (libc)Hyperbolic Functions.
* ccosl: (libc)Trig Functions.
* ceil: (libc)Rounding Functions.
* ceilf: (libc)Rounding Functions.
* ceilfN: (libc)Rounding Functions.
* ceilfNx: (libc)Rounding Functions.
* ceill: (libc)Rounding Functions.
* cexp: (libc)Exponents and Logarithms.
* cexpf: (libc)Exponents and Logarithms.
* cexpfN: (libc)Exponents and Logarithms.
* cexpfNx: (libc)Exponents and Logarithms.
* cexpl: (libc)Exponents and Logarithms.
* cfgetibaud: (libc)Line Speed.
* cfgetispeed: (libc)Line Speed.
* cfgetobaud: (libc)Line Speed.
* cfgetospeed: (libc)Line Speed.
* cfmakeraw: (libc)Noncanonical Input.
* cfsetbaud: (libc)Line Speed.
* cfsetibaud: (libc)Line Speed.
* cfsetispeed: (libc)Line Speed.
* cfsetobaud: (libc)Line Speed.
* cfsetospeed: (libc)Line Speed.
* cfsetspeed: (libc)Line Speed.
* chdir: (libc)Working Directory.
* chmod: (libc)Setting Permissions.
* chown: (libc)File Owner.
* cimag: (libc)Operations on Complex.
* cimagf: (libc)Operations on Complex.
* cimagfN: (libc)Operations on Complex.
* cimagfNx: (libc)Operations on Complex.
* cimagl: (libc)Operations on Complex.
* clearenv: (libc)Environment Access.
* clearerr: (libc)Error Recovery.
* clearerr_unlocked: (libc)Error Recovery.
* clock: (libc)CPU Time.
* clock_getres: (libc)Getting the Time.
* clock_gettime: (libc)Getting the Time.
* clock_nanosleep: (libc)Sleeping.
* clock_settime: (libc)Setting and Adjusting the Time.
* clog10: (libc)Exponents and Logarithms.
* clog10f: (libc)Exponents and Logarithms.
* clog10fN: (libc)Exponents and Logarithms.
* clog10fNx: (libc)Exponents and Logarithms.
* clog10l: (libc)Exponents and Logarithms.
* clog: (libc)Exponents and Logarithms.
* clogf: (libc)Exponents and Logarithms.
* clogfN: (libc)Exponents and Logarithms.
* clogfNx: (libc)Exponents and Logarithms.
* clogl: (libc)Exponents and Logarithms.
* close: (libc)Opening and Closing Files.
* close_range: (libc)Opening and Closing Files.
* closedir: (libc)Reading/Closing Directory.
* closefrom: (libc)Opening and Closing Files.
* closelog: (libc)closelog.
* cnd_broadcast: (libc)ISO C Condition Variables.
* cnd_destroy: (libc)ISO C Condition Variables.
* cnd_init: (libc)ISO C Condition Variables.
* cnd_signal: (libc)ISO C Condition Variables.
* cnd_timedwait: (libc)ISO C Condition Variables.
* cnd_wait: (libc)ISO C Condition Variables.
* compoundn: (libc)Exponents and Logarithms.
* compoundnf: (libc)Exponents and Logarithms.
* compoundnfN: (libc)Exponents and Logarithms.
* compoundnfNx: (libc)Exponents and Logarithms.
* compoundnl: (libc)Exponents and Logarithms.
* confstr: (libc)String Parameters.
* conj: (libc)Operations on Complex.
* conjf: (libc)Operations on Complex.
* conjfN: (libc)Operations on Complex.
* conjfNx: (libc)Operations on Complex.
* conjl: (libc)Operations on Complex.
* connect: (libc)Connecting.
* copy_file_range: (libc)Copying File Data.
* copysign: (libc)FP Bit Twiddling.
* copysignf: (libc)FP Bit Twiddling.
* copysignfN: (libc)FP Bit Twiddling.
* copysignfNx: (libc)FP Bit Twiddling.
* copysignl: (libc)FP Bit Twiddling.
* cos: (libc)Trig Functions.
* cosf: (libc)Trig Functions.
* cosfN: (libc)Trig Functions.
* cosfNx: (libc)Trig Functions.
* cosh: (libc)Hyperbolic Functions.
* coshf: (libc)Hyperbolic Functions.
* coshfN: (libc)Hyperbolic Functions.
* coshfNx: (libc)Hyperbolic Functions.
* coshl: (libc)Hyperbolic Functions.
* cosl: (libc)Trig Functions.
* cospi: (libc)Trig Functions.
* cospif: (libc)Trig Functions.
* cospifN: (libc)Trig Functions.
* cospifNx: (libc)Trig Functions.
* cospil: (libc)Trig Functions.
* cpow: (libc)Exponents and Logarithms.
* cpowf: (libc)Exponents and Logarithms.
* cpowfN: (libc)Exponents and Logarithms.
* cpowfNx: (libc)Exponents and Logarithms.
* cpowl: (libc)Exponents and Logarithms.
* cproj: (libc)Operations on Complex.
* cprojf: (libc)Operations on Complex.
* cprojfN: (libc)Operations on Complex.
* cprojfNx: (libc)Operations on Complex.
* cprojl: (libc)Operations on Complex.
* creal: (libc)Operations on Complex.
* crealf: (libc)Operations on Complex.
* crealfN: (libc)Operations on Complex.
* crealfNx: (libc)Operations on Complex.
* creall: (libc)Operations on Complex.
* creat64: (libc)Opening and Closing Files.
* creat: (libc)Opening and Closing Files.
* csin: (libc)Trig Functions.
* csinf: (libc)Trig Functions.
* csinfN: (libc)Trig Functions.
* csinfNx: (libc)Trig Functions.
* csinh: (libc)Hyperbolic Functions.
* csinhf: (libc)Hyperbolic Functions.
* csinhfN: (libc)Hyperbolic Functions.
* csinhfNx: (libc)Hyperbolic Functions.
* csinhl: (libc)Hyperbolic Functions.
* csinl: (libc)Trig Functions.
* csqrt: (libc)Exponents and Logarithms.
* csqrtf: (libc)Exponents and Logarithms.
* csqrtfN: (libc)Exponents and Logarithms.
* csqrtfNx: (libc)Exponents and Logarithms.
* csqrtl: (libc)Exponents and Logarithms.
* ctan: (libc)Trig Functions.
* ctanf: (libc)Trig Functions.
* ctanfN: (libc)Trig Functions.
* ctanfNx: (libc)Trig Functions.
* ctanh: (libc)Hyperbolic Functions.
* ctanhf: (libc)Hyperbolic Functions.
* ctanhfN: (libc)Hyperbolic Functions.
* ctanhfNx: (libc)Hyperbolic Functions.
* ctanhl: (libc)Hyperbolic Functions.
* ctanl: (libc)Trig Functions.
* ctermid: (libc)Identifying the Terminal.
* ctime: (libc)Formatting Calendar Time.
* ctime_r: (libc)Formatting Calendar Time.
* cuserid: (libc)Who Logged In.
* daddl: (libc)Misc FP Arithmetic.
* dcgettext: (libc)Translation with gettext.
* dcngettext: (libc)Advanced gettext functions.
* ddivl: (libc)Misc FP Arithmetic.
* dfmal: (libc)Misc FP Arithmetic.
* dgettext: (libc)Translation with gettext.
* difftime: (libc)Calculating Elapsed Time.
* dirfd: (libc)Opening a Directory.
* dirname: (libc)Finding Tokens in a String.
* div: (libc)Integer Division.
* dlinfo: (libc)Dynamic Linker Introspection.
* dmull: (libc)Misc FP Arithmetic.
* dngettext: (libc)Advanced gettext functions.
* dprintf: (libc)Formatted Output Functions.
* drand48: (libc)SVID Random.
* drand48_r: (libc)SVID Random.
* drem: (libc)Remainder Functions.
* dremf: (libc)Remainder Functions.
* dreml: (libc)Remainder Functions.
* dsqrtl: (libc)Misc FP Arithmetic.
* dsubl: (libc)Misc FP Arithmetic.
* dup2: (libc)Duplicating Descriptors.
* dup3: (libc)Duplicating Descriptors.
* dup: (libc)Duplicating Descriptors.
* ecvt: (libc)System V Number Conversion.
* ecvt_r: (libc)System V Number Conversion.
* endfsent: (libc)fstab.
* endgrent: (libc)Scanning All Groups.
* endhostent: (libc)Host Names.
* endmntent: (libc)mtab.
* endnetent: (libc)Networks Database.
* endnetgrent: (libc)Lookup Netgroup.
* endprotoent: (libc)Protocols Database.
* endpwent: (libc)Scanning All Users.
* endservent: (libc)Services Database.
* endutent: (libc)Manipulating the Database.
* endutxent: (libc)XPG Functions.
* envz_add: (libc)Envz Functions.
* envz_entry: (libc)Envz Functions.
* envz_get: (libc)Envz Functions.
* envz_merge: (libc)Envz Functions.
* envz_remove: (libc)Envz Functions.
* envz_strip: (libc)Envz Functions.
* epoll_create: (libc)Other Low-Level I/O APIs.
* epoll_wait: (libc)Other Low-Level I/O APIs.
* erand48: (libc)SVID Random.
* erand48_r: (libc)SVID Random.
* erf: (libc)Special Functions.
* erfc: (libc)Special Functions.
* erfcf: (libc)Special Functions.
* erfcfN: (libc)Special Functions.
* erfcfNx: (libc)Special Functions.
* erfcl: (libc)Special Functions.
* erff: (libc)Special Functions.
* erffN: (libc)Special Functions.
* erffNx: (libc)Special Functions.
* erfl: (libc)Special Functions.
* err: (libc)Error Messages.
* errno: (libc)Checking for Errors.
* error: (libc)Error Messages.
* error_at_line: (libc)Error Messages.
* errx: (libc)Error Messages.
* execl: (libc)Executing a File.
* execle: (libc)Executing a File.
* execlp: (libc)Executing a File.
* execv: (libc)Executing a File.
* execve: (libc)Executing a File.
* execvp: (libc)Executing a File.
* exit: (libc)Normal Termination.
* exp10: (libc)Exponents and Logarithms.
* exp10f: (libc)Exponents and Logarithms.
* exp10fN: (libc)Exponents and Logarithms.
* exp10fNx: (libc)Exponents and Logarithms.
* exp10l: (libc)Exponents and Logarithms.
* exp10m1: (libc)Exponents and Logarithms.
* exp10m1f: (libc)Exponents and Logarithms.
* exp10m1fN: (libc)Exponents and Logarithms.
* exp10m1fNx: (libc)Exponents and Logarithms.
* exp10m1l: (libc)Exponents and Logarithms.
* exp2: (libc)Exponents and Logarithms.
* exp2f: (libc)Exponents and Logarithms.
* exp2fN: (libc)Exponents and Logarithms.
* exp2fNx: (libc)Exponents and Logarithms.
* exp2l: (libc)Exponents and Logarithms.
* exp2m1: (libc)Exponents and Logarithms.
* exp2m1f: (libc)Exponents and Logarithms.
* exp2m1fN: (libc)Exponents and Logarithms.
* exp2m1fNx: (libc)Exponents and Logarithms.
* exp2m1l: (libc)Exponents and Logarithms.
* exp: (libc)Exponents and Logarithms.
* expf: (libc)Exponents and Logarithms.
* expfN: (libc)Exponents and Logarithms.
* expfNx: (libc)Exponents and Logarithms.
* expl: (libc)Exponents and Logarithms.
* explicit_bzero: (libc)Erasing Sensitive Data.
* expm1: (libc)Exponents and Logarithms.
* expm1f: (libc)Exponents and Logarithms.
* expm1fN: (libc)Exponents and Logarithms.
* expm1fNx: (libc)Exponents and Logarithms.
* expm1l: (libc)Exponents and Logarithms.
* fMaddfN: (libc)Misc FP Arithmetic.
* fMaddfNx: (libc)Misc FP Arithmetic.
* fMdivfN: (libc)Misc FP Arithmetic.
* fMdivfNx: (libc)Misc FP Arithmetic.
* fMfmafN: (libc)Misc FP Arithmetic.
* fMfmafNx: (libc)Misc FP Arithmetic.
* fMmulfN: (libc)Misc FP Arithmetic.
* fMmulfNx: (libc)Misc FP Arithmetic.
* fMsqrtfN: (libc)Misc FP Arithmetic.
* fMsqrtfNx: (libc)Misc FP Arithmetic.
* fMsubfN: (libc)Misc FP Arithmetic.
* fMsubfNx: (libc)Misc FP Arithmetic.
* fMxaddfN: (libc)Misc FP Arithmetic.
* fMxaddfNx: (libc)Misc FP Arithmetic.
* fMxdivfN: (libc)Misc FP Arithmetic.
* fMxdivfNx: (libc)Misc FP Arithmetic.
* fMxfmafN: (libc)Misc FP Arithmetic.
* fMxfmafNx: (libc)Misc FP Arithmetic.
* fMxmulfN: (libc)Misc FP Arithmetic.
* fMxmulfNx: (libc)Misc FP Arithmetic.
* fMxsqrtfN: (libc)Misc FP Arithmetic.
* fMxsqrtfNx: (libc)Misc FP Arithmetic.
* fMxsubfN: (libc)Misc FP Arithmetic.
* fMxsubfNx: (libc)Misc FP Arithmetic.
* fabs: (libc)Absolute Value.
* fabsf: (libc)Absolute Value.
* fabsfN: (libc)Absolute Value.
* fabsfNx: (libc)Absolute Value.
* fabsl: (libc)Absolute Value.
* faccessat: (libc)Testing File Access.
* fadd: (libc)Misc FP Arithmetic.
* faddl: (libc)Misc FP Arithmetic.
* fchdir: (libc)Working Directory.
* fchmod: (libc)Setting Permissions.
* fchown: (libc)File Owner.
* fclose: (libc)Closing Streams.
* fcloseall: (libc)Closing Streams.
* fcntl: (libc)Control Operations.
* fcvt: (libc)System V Number Conversion.
* fcvt_r: (libc)System V Number Conversion.
* fdatasync: (libc)Synchronizing I/O.
* fdim: (libc)Misc FP Arithmetic.
* fdimf: (libc)Misc FP Arithmetic.
* fdimfN: (libc)Misc FP Arithmetic.
* fdimfNx: (libc)Misc FP Arithmetic.
* fdiml: (libc)Misc FP Arithmetic.
* fdiv: (libc)Misc FP Arithmetic.
* fdivl: (libc)Misc FP Arithmetic.
* fdopen: (libc)Descriptors and Streams.
* fdopendir: (libc)Opening a Directory.
* feclearexcept: (libc)Status bit operations.
* fedisableexcept: (libc)Control Functions.
* feenableexcept: (libc)Control Functions.
* fegetenv: (libc)Control Functions.
* fegetexcept: (libc)Control Functions.
* fegetexceptflag: (libc)Status bit operations.
* fegetmode: (libc)Control Functions.
* fegetround: (libc)Rounding.
* feholdexcept: (libc)Control Functions.
* feof: (libc)EOF and Errors.
* feof_unlocked: (libc)EOF and Errors.
* feraiseexcept: (libc)Status bit operations.
* ferror: (libc)EOF and Errors.
* ferror_unlocked: (libc)EOF and Errors.
* fesetenv: (libc)Control Functions.
* fesetexcept: (libc)Status bit operations.
* fesetexceptflag: (libc)Status bit operations.
* fesetmode: (libc)Control Functions.
* fesetround: (libc)Rounding.
* fetestexcept: (libc)Status bit operations.
* fetestexceptflag: (libc)Status bit operations.
* feupdateenv: (libc)Control Functions.
* fexecve: (libc)Executing a File.
* fflush: (libc)Flushing Buffers.
* fflush_unlocked: (libc)Flushing Buffers.
* ffma: (libc)Misc FP Arithmetic.
* ffmal: (libc)Misc FP Arithmetic.
* fgetc: (libc)Character Input.
* fgetc_unlocked: (libc)Character Input.
* fgetgrent: (libc)Scanning All Groups.
* fgetgrent_r: (libc)Scanning All Groups.
* fgetpos64: (libc)Portable Positioning.
* fgetpos: (libc)Portable Positioning.
* fgetpwent: (libc)Scanning All Users.
* fgetpwent_r: (libc)Scanning All Users.
* fgets: (libc)Line Input.
* fgets_unlocked: (libc)Line Input.
* fgetwc: (libc)Character Input.
* fgetwc_unlocked: (libc)Character Input.
* fgetws: (libc)Line Input.
* fgetws_unlocked: (libc)Line Input.
* fileno: (libc)Descriptors and Streams.
* fileno_unlocked: (libc)Descriptors and Streams.
* finite: (libc)Floating Point Classes.
* finitef: (libc)Floating Point Classes.
* finitel: (libc)Floating Point Classes.
* flockfile: (libc)Streams and Threads.
* floor: (libc)Rounding Functions.
* floorf: (libc)Rounding Functions.
* floorfN: (libc)Rounding Functions.
* floorfNx: (libc)Rounding Functions.
* floorl: (libc)Rounding Functions.
* fma: (libc)Misc FP Arithmetic.
* fmaf: (libc)Misc FP Arithmetic.
* fmafN: (libc)Misc FP Arithmetic.
* fmafNx: (libc)Misc FP Arithmetic.
* fmal: (libc)Misc FP Arithmetic.
* fmax: (libc)Misc FP Arithmetic.
* fmaxf: (libc)Misc FP Arithmetic.
* fmaxfN: (libc)Misc FP Arithmetic.
* fmaxfNx: (libc)Misc FP Arithmetic.
* fmaximum: (libc)Misc FP Arithmetic.
* fmaximum_mag: (libc)Misc FP Arithmetic.
* fmaximum_mag_num: (libc)Misc FP Arithmetic.
* fmaximum_mag_numf: (libc)Misc FP Arithmetic.
* fmaximum_mag_numfN: (libc)Misc FP Arithmetic.
* fmaximum_mag_numfNx: (libc)Misc FP Arithmetic.
* fmaximum_mag_numl: (libc)Misc FP Arithmetic.
* fmaximum_magf: (libc)Misc FP Arithmetic.
* fmaximum_magfN: (libc)Misc FP Arithmetic.
* fmaximum_magfNx: (libc)Misc FP Arithmetic.
* fmaximum_magl: (libc)Misc FP Arithmetic.
* fmaximum_num: (libc)Misc FP Arithmetic.
* fmaximum_numf: (libc)Misc FP Arithmetic.
* fmaximum_numfN: (libc)Misc FP Arithmetic.
* fmaximum_numfNx: (libc)Misc FP Arithmetic.
* fmaximum_numl: (libc)Misc FP Arithmetic.
* fmaximumf: (libc)Misc FP Arithmetic.
* fmaximumfN: (libc)Misc FP Arithmetic.
* fmaximumfNx: (libc)Misc FP Arithmetic.
* fmaximuml: (libc)Misc FP Arithmetic.
* fmaxl: (libc)Misc FP Arithmetic.
* fmaxmag: (libc)Misc FP Arithmetic.
* fmaxmagf: (libc)Misc FP Arithmetic.
* fmaxmagfN: (libc)Misc FP Arithmetic.
* fmaxmagfNx: (libc)Misc FP Arithmetic.
* fmaxmagl: (libc)Misc FP Arithmetic.
* fmemopen: (libc)String Streams.
* fmin: (libc)Misc FP Arithmetic.
* fminf: (libc)Misc FP Arithmetic.
* fminfN: (libc)Misc FP Arithmetic.
* fminfNx: (libc)Misc FP Arithmetic.
* fminimum: (libc)Misc FP Arithmetic.
* fminimum_mag: (libc)Misc FP Arithmetic.
* fminimum_mag_num: (libc)Misc FP Arithmetic.
* fminimum_mag_numf: (libc)Misc FP Arithmetic.
* fminimum_mag_numfN: (libc)Misc FP Arithmetic.
* fminimum_mag_numfNx: (libc)Misc FP Arithmetic.
* fminimum_mag_numl: (libc)Misc FP Arithmetic.
* fminimum_magf: (libc)Misc FP Arithmetic.
* fminimum_magfN: (libc)Misc FP Arithmetic.
* fminimum_magfNx: (libc)Misc FP Arithmetic.
* fminimum_magl: (libc)Misc FP Arithmetic.
* fminimum_num: (libc)Misc FP Arithmetic.
* fminimum_numf: (libc)Misc FP Arithmetic.
* fminimum_numfN: (libc)Misc FP Arithmetic.
* fminimum_numfNx: (libc)Misc FP Arithmetic.
* fminimum_numl: (libc)Misc FP Arithmetic.
* fminimumf: (libc)Misc FP Arithmetic.
* fminimumfN: (libc)Misc FP Arithmetic.
* fminimumfNx: (libc)Misc FP Arithmetic.
* fminimuml: (libc)Misc FP Arithmetic.
* fminl: (libc)Misc FP Arithmetic.
* fminmag: (libc)Misc FP Arithmetic.
* fminmagf: (libc)Misc FP Arithmetic.
* fminmagfN: (libc)Misc FP Arithmetic.
* fminmagfNx: (libc)Misc FP Arithmetic.
* fminmagl: (libc)Misc FP Arithmetic.
* fmod: (libc)Remainder Functions.
* fmodf: (libc)Remainder Functions.
* fmodfN: (libc)Remainder Functions.
* fmodfNx: (libc)Remainder Functions.
* fmodl: (libc)Remainder Functions.
* fmtmsg: (libc)Printing Formatted Messages.
* fmul: (libc)Misc FP Arithmetic.
* fmull: (libc)Misc FP Arithmetic.
* fnmatch: (libc)Wildcard Matching.
* fopen64: (libc)Opening Streams.
* fopen: (libc)Opening Streams.
* fopencookie: (libc)Streams and Cookies.
* fork: (libc)Creating a Process.
* forkpty: (libc)Pseudo-Terminal Pairs.
* fpathconf: (libc)Pathconf.
* fpclassify: (libc)Floating Point Classes.
* fprintf: (libc)Formatted Output Functions.
* fputc: (libc)Simple Output.
* fputc_unlocked: (libc)Simple Output.
* fputs: (libc)Simple Output.
* fputs_unlocked: (libc)Simple Output.
* fputwc: (libc)Simple Output.
* fputwc_unlocked: (libc)Simple Output.
* fputws: (libc)Simple Output.
* fputws_unlocked: (libc)Simple Output.
* fread: (libc)Block Input/Output.
* fread_unlocked: (libc)Block Input/Output.
* free: (libc)Freeing after Malloc.
* free_aligned_sized: (libc)Freeing after Malloc.
* free_sized: (libc)Freeing after Malloc.
* freopen64: (libc)Opening Streams.
* freopen: (libc)Opening Streams.
* frexp: (libc)Normalization Functions.
* frexpf: (libc)Normalization Functions.
* frexpfN: (libc)Normalization Functions.
* frexpfNx: (libc)Normalization Functions.
* frexpl: (libc)Normalization Functions.
* fromfp: (libc)Rounding Functions.
* fromfpf: (libc)Rounding Functions.
* fromfpfN: (libc)Rounding Functions.
* fromfpfNx: (libc)Rounding Functions.
* fromfpl: (libc)Rounding Functions.
* fromfpx: (libc)Rounding Functions.
* fromfpxf: (libc)Rounding Functions.
* fromfpxfN: (libc)Rounding Functions.
* fromfpxfNx: (libc)Rounding Functions.
* fromfpxl: (libc)Rounding Functions.
* fscanf: (libc)Formatted Input Functions.
* fseek: (libc)File Positioning.
* fseeko64: (libc)File Positioning.
* fseeko: (libc)File Positioning.
* fsetpos64: (libc)Portable Positioning.
* fsetpos: (libc)Portable Positioning.
* fsqrt: (libc)Misc FP Arithmetic.
* fsqrtl: (libc)Misc FP Arithmetic.
* fstat64: (libc)Reading Attributes.
* fstat: (libc)Reading Attributes.
* fstatat64: (libc)Reading Attributes.
* fstatat: (libc)Reading Attributes.
* fsub: (libc)Misc FP Arithmetic.
* fsubl: (libc)Misc FP Arithmetic.
* fsync: (libc)Synchronizing I/O.
* ftell: (libc)File Positioning.
* ftello64: (libc)File Positioning.
* ftello: (libc)File Positioning.
* ftruncate64: (libc)File Size.
* ftruncate: (libc)File Size.
* ftrylockfile: (libc)Streams and Threads.
* ftw64: (libc)Working with Directory Trees.
* ftw: (libc)Working with Directory Trees.
* funlockfile: (libc)Streams and Threads.
* futimens: (libc)File Times.
* futimes: (libc)File Times.
* fwide: (libc)Streams and I18N.
* fwprintf: (libc)Formatted Output Functions.
* fwrite: (libc)Block Input/Output.
* fwrite_unlocked: (libc)Block Input/Output.
* fwscanf: (libc)Formatted Input Functions.
* gamma: (libc)Special Functions.
* gammaf: (libc)Special Functions.
* gammal: (libc)Special Functions.
* gcvt: (libc)System V Number Conversion.
* get_avphys_pages: (libc)Query Memory Parameters.
* get_current_dir_name: (libc)Working Directory.
* get_nprocs: (libc)Processor Resources.
* get_nprocs_conf: (libc)Processor Resources.
* get_phys_pages: (libc)Query Memory Parameters.
* getauxval: (libc)Auxiliary Vector.
* getc: (libc)Character Input.
* getc_unlocked: (libc)Character Input.
* getchar: (libc)Character Input.
* getchar_unlocked: (libc)Character Input.
* getcontext: (libc)System V contexts.
* getcpu: (libc)CPU Affinity.
* getcwd: (libc)Working Directory.
* getdate: (libc)General Time String Parsing.
* getdate_r: (libc)General Time String Parsing.
* getdelim: (libc)Line Input.
* getdents64: (libc)Low-level Directory Access.
* getdomainname: (libc)Host Identification.
* getegid: (libc)Reading Persona.
* getentropy: (libc)Unpredictable Bytes.
* getenv: (libc)Environment Access.
* geteuid: (libc)Reading Persona.
* getfsent: (libc)fstab.
* getfsfile: (libc)fstab.
* getfsspec: (libc)fstab.
* getgid: (libc)Reading Persona.
* getgrent: (libc)Scanning All Groups.
* getgrent_r: (libc)Scanning All Groups.
* getgrgid: (libc)Lookup Group.
* getgrgid_r: (libc)Lookup Group.
* getgrnam: (libc)Lookup Group.
* getgrnam_r: (libc)Lookup Group.
* getgrouplist: (libc)Setting Groups.
* getgroups: (libc)Reading Persona.
* gethostbyaddr: (libc)Host Names.
* gethostbyaddr_r: (libc)Host Names.
* gethostbyname2: (libc)Host Names.
* gethostbyname2_r: (libc)Host Names.
* gethostbyname: (libc)Host Names.
* gethostbyname_r: (libc)Host Names.
* gethostent: (libc)Host Names.
* gethostid: (libc)Host Identification.
* gethostname: (libc)Host Identification.
* getitimer: (libc)Setting an Alarm.
* getline: (libc)Line Input.
* getloadavg: (libc)Processor Resources.
* getlogin: (libc)Who Logged In.
* getmntent: (libc)mtab.
* getmntent_r: (libc)mtab.
* getnetbyaddr: (libc)Networks Database.
* getnetbyname: (libc)Networks Database.
* getnetent: (libc)Networks Database.
* getnetgrent: (libc)Lookup Netgroup.
* getnetgrent_r: (libc)Lookup Netgroup.
* getopt: (libc)Using Getopt.
* getopt_long: (libc)Getopt Long Options.
* getopt_long_only: (libc)Getopt Long Options.
* getpagesize: (libc)Query Memory Parameters.
* getpass: (libc)getpass.
* getpayload: (libc)FP Bit Twiddling.
* getpayloadf: (libc)FP Bit Twiddling.
* getpayloadfN: (libc)FP Bit Twiddling.
* getpayloadfNx: (libc)FP Bit Twiddling.
* getpayloadl: (libc)FP Bit Twiddling.
* getpeername: (libc)Who is Connected.
* getpgid: (libc)Process Group Functions.
* getpgrp: (libc)Process Group Functions.
* getpid: (libc)Process Identification.
* getppid: (libc)Process Identification.
* getpriority: (libc)Traditional Scheduling Functions.
* getprotobyname: (libc)Protocols Database.
* getprotobynumber: (libc)Protocols Database.
* getprotoent: (libc)Protocols Database.
* getpt: (libc)Allocation.
* getpwent: (libc)Scanning All Users.
* getpwent_r: (libc)Scanning All Users.
* getpwnam: (libc)Lookup User.
* getpwnam_r: (libc)Lookup User.
* getpwuid: (libc)Lookup User.
* getpwuid_r: (libc)Lookup User.
* getrandom: (libc)Unpredictable Bytes.
* getrlimit64: (libc)Limits on Resources.
* getrlimit: (libc)Limits on Resources.
* getrusage: (libc)Resource Usage.
* gets: (libc)Line Input.
* getservbyname: (libc)Services Database.
* getservbyport: (libc)Services Database.
* getservent: (libc)Services Database.
* getsid: (libc)Process Group Functions.
* getsockname: (libc)Reading Address.
* getsockopt: (libc)Socket Option Functions.
* getsubopt: (libc)Suboptions.
* gettext: (libc)Translation with gettext.
* gettid: (libc)Process Identification.
* gettimeofday: (libc)Getting the Time.
* getuid: (libc)Reading Persona.
* getumask: (libc)Setting Permissions.
* getutent: (libc)Manipulating the Database.
* getutent_r: (libc)Manipulating the Database.
* getutid: (libc)Manipulating the Database.
* getutid_r: (libc)Manipulating the Database.
* getutline: (libc)Manipulating the Database.
* getutline_r: (libc)Manipulating the Database.
* getutmp: (libc)XPG Functions.
* getutmpx: (libc)XPG Functions.
* getutxent: (libc)XPG Functions.
* getutxid: (libc)XPG Functions.
* getutxline: (libc)XPG Functions.
* getw: (libc)Character Input.
* getwc: (libc)Character Input.
* getwc_unlocked: (libc)Character Input.
* getwchar: (libc)Character Input.
* getwchar_unlocked: (libc)Character Input.
* getwd: (libc)Working Directory.
* glob64: (libc)Calling Glob.
* glob: (libc)Calling Glob.
* globfree64: (libc)More Flags for Globbing.
* globfree: (libc)More Flags for Globbing.
* gmtime: (libc)Broken-down Time.
* gmtime_r: (libc)Broken-down Time.
* grantpt: (libc)Allocation.
* gsignal: (libc)Signaling Yourself.
* gtty: (libc)BSD Terminal Modes.
* hasmntopt: (libc)mtab.
* hcreate: (libc)Hash Search Function.
* hcreate_r: (libc)Hash Search Function.
* hdestroy: (libc)Hash Search Function.
* hdestroy_r: (libc)Hash Search Function.
* hsearch: (libc)Hash Search Function.
* hsearch_r: (libc)Hash Search Function.
* htonl: (libc)Byte Order.
* htons: (libc)Byte Order.
* hypot: (libc)Exponents and Logarithms.
* hypotf: (libc)Exponents and Logarithms.
* hypotfN: (libc)Exponents and Logarithms.
* hypotfNx: (libc)Exponents and Logarithms.
* hypotl: (libc)Exponents and Logarithms.
* iconv: (libc)Generic Conversion Interface.
* iconv_close: (libc)Generic Conversion Interface.
* iconv_open: (libc)Generic Conversion Interface.
* if_freenameindex: (libc)Interface Naming.
* if_indextoname: (libc)Interface Naming.
* if_nameindex: (libc)Interface Naming.
* if_nametoindex: (libc)Interface Naming.
* ilogb: (libc)Exponents and Logarithms.
* ilogbf: (libc)Exponents and Logarithms.
* ilogbfN: (libc)Exponents and Logarithms.
* ilogbfNx: (libc)Exponents and Logarithms.
* ilogbl: (libc)Exponents and Logarithms.
* imaxabs: (libc)Absolute Value.
* imaxdiv: (libc)Integer Division.
* in6addr_any: (libc)Host Address Data Type.
* in6addr_loopback: (libc)Host Address Data Type.
* index: (libc)Search Functions.
* inet_addr: (libc)Host Address Functions.
* inet_aton: (libc)Host Address Functions.
* inet_lnaof: (libc)Host Address Functions.
* inet_makeaddr: (libc)Host Address Functions.
* inet_netof: (libc)Host Address Functions.
* inet_network: (libc)Host Address Functions.
* inet_ntoa: (libc)Host Address Functions.
* inet_ntop: (libc)Host Address Functions.
* inet_pton: (libc)Host Address Functions.
* initgroups: (libc)Setting Groups.
* initstate: (libc)BSD Random.
* initstate_r: (libc)BSD Random.
* innetgr: (libc)Netgroup Membership.
* ioctl: (libc)IOCTLs.
* isalnum: (libc)Classification of Characters.
* isalpha: (libc)Classification of Characters.
* isascii: (libc)Classification of Characters.
* isatty: (libc)Is It a Terminal.
* isblank: (libc)Classification of Characters.
* iscanonical: (libc)Floating Point Classes.
* iscntrl: (libc)Classification of Characters.
* isdigit: (libc)Classification of Characters.
* iseqsig: (libc)FP Comparison Functions.
* isfinite: (libc)Floating Point Classes.
* isgraph: (libc)Classification of Characters.
* isgreater: (libc)FP Comparison Functions.
* isgreaterequal: (libc)FP Comparison Functions.
* isinf: (libc)Floating Point Classes.
* isinff: (libc)Floating Point Classes.
* isinfl: (libc)Floating Point Classes.
* isless: (libc)FP Comparison Functions.
* islessequal: (libc)FP Comparison Functions.
* islessgreater: (libc)FP Comparison Functions.
* islower: (libc)Classification of Characters.
* isnan: (libc)Floating Point Classes.
* isnan: (libc)Floating Point Classes.
* isnanf: (libc)Floating Point Classes.
* isnanl: (libc)Floating Point Classes.
* isnormal: (libc)Floating Point Classes.
* isprint: (libc)Classification of Characters.
* ispunct: (libc)Classification of Characters.
* issignaling: (libc)Floating Point Classes.
* isspace: (libc)Classification of Characters.
* issubnormal: (libc)Floating Point Classes.
* isunordered: (libc)FP Comparison Functions.
* isupper: (libc)Classification of Characters.
* iswalnum: (libc)Classification of Wide Characters.
* iswalpha: (libc)Classification of Wide Characters.
* iswblank: (libc)Classification of Wide Characters.
* iswcntrl: (libc)Classification of Wide Characters.
* iswctype: (libc)Classification of Wide Characters.
* iswdigit: (libc)Classification of Wide Characters.
* iswgraph: (libc)Classification of Wide Characters.
* iswlower: (libc)Classification of Wide Characters.
* iswprint: (libc)Classification of Wide Characters.
* iswpunct: (libc)Classification of Wide Characters.
* iswspace: (libc)Classification of Wide Characters.
* iswupper: (libc)Classification of Wide Characters.
* iswxdigit: (libc)Classification of Wide Characters.
* isxdigit: (libc)Classification of Characters.
* iszero: (libc)Floating Point Classes.
* j0: (libc)Special Functions.
* j0f: (libc)Special Functions.
* j0fN: (libc)Special Functions.
* j0fNx: (libc)Special Functions.
* j0l: (libc)Special Functions.
* j1: (libc)Special Functions.
* j1f: (libc)Special Functions.
* j1fN: (libc)Special Functions.
* j1fNx: (libc)Special Functions.
* j1l: (libc)Special Functions.
* jn: (libc)Special Functions.
* jnf: (libc)Special Functions.
* jnfN: (libc)Special Functions.
* jnfNx: (libc)Special Functions.
* jnl: (libc)Special Functions.
* jrand48: (libc)SVID Random.
* jrand48_r: (libc)SVID Random.
* kill: (libc)Signaling Another Process.
* killpg: (libc)Signaling Another Process.
* l64a: (libc)Encode Binary Data.
* labs: (libc)Absolute Value.
* lcong48: (libc)SVID Random.
* lcong48_r: (libc)SVID Random.
* ldexp: (libc)Normalization Functions.
* ldexpf: (libc)Normalization Functions.
* ldexpfN: (libc)Normalization Functions.
* ldexpfNx: (libc)Normalization Functions.
* ldexpl: (libc)Normalization Functions.
* ldiv: (libc)Integer Division.
* lfind: (libc)Array Search Function.
* lgamma: (libc)Special Functions.
* lgamma_r: (libc)Special Functions.
* lgammaf: (libc)Special Functions.
* lgammafN: (libc)Special Functions.
* lgammafN_r: (libc)Special Functions.
* lgammafNx: (libc)Special Functions.
* lgammafNx_r: (libc)Special Functions.
* lgammaf_r: (libc)Special Functions.
* lgammal: (libc)Special Functions.
* lgammal_r: (libc)Special Functions.
* link: (libc)Hard Links.
* linkat: (libc)Hard Links.
* lio_listio64: (libc)Asynchronous Reads/Writes.
* lio_listio: (libc)Asynchronous Reads/Writes.
* listen: (libc)Listening.
* llabs: (libc)Absolute Value.
* lldiv: (libc)Integer Division.
* llogb: (libc)Exponents and Logarithms.
* llogbf: (libc)Exponents and Logarithms.
* llogbfN: (libc)Exponents and Logarithms.
* llogbfNx: (libc)Exponents and Logarithms.
* llogbl: (libc)Exponents and Logarithms.
* llrint: (libc)Rounding Functions.
* llrintf: (libc)Rounding Functions.
* llrintfN: (libc)Rounding Functions.
* llrintfNx: (libc)Rounding Functions.
* llrintl: (libc)Rounding Functions.
* llround: (libc)Rounding Functions.
* llroundf: (libc)Rounding Functions.
* llroundfN: (libc)Rounding Functions.
* llroundfNx: (libc)Rounding Functions.
* llroundl: (libc)Rounding Functions.
* localeconv: (libc)The Lame Way to Locale Data.
* localtime: (libc)Broken-down Time.
* localtime_r: (libc)Broken-down Time.
* log10: (libc)Exponents and Logarithms.
* log10f: (libc)Exponents and Logarithms.
* log10fN: (libc)Exponents and Logarithms.
* log10fNx: (libc)Exponents and Logarithms.
* log10l: (libc)Exponents and Logarithms.
* log10p1: (libc)Exponents and Logarithms.
* log10p1f: (libc)Exponents and Logarithms.
* log10p1fN: (libc)Exponents and Logarithms.
* log10p1fNx: (libc)Exponents and Logarithms.
* log10p1l: (libc)Exponents and Logarithms.
* log1p: (libc)Exponents and Logarithms.
* log1pf: (libc)Exponents and Logarithms.
* log1pfN: (libc)Exponents and Logarithms.
* log1pfNx: (libc)Exponents and Logarithms.
* log1pl: (libc)Exponents and Logarithms.
* log2: (libc)Exponents and Logarithms.
* log2f: (libc)Exponents and Logarithms.
* log2fN: (libc)Exponents and Logarithms.
* log2fNx: (libc)Exponents and Logarithms.
* log2l: (libc)Exponents and Logarithms.
* log2p1: (libc)Exponents and Logarithms.
* log2p1f: (libc)Exponents and Logarithms.
* log2p1fN: (libc)Exponents and Logarithms.
* log2p1fNx: (libc)Exponents and Logarithms.
* log2p1l: (libc)Exponents and Logarithms.
* log: (libc)Exponents and Logarithms.
* logb: (libc)Exponents and Logarithms.
* logbf: (libc)Exponents and Logarithms.
* logbfN: (libc)Exponents and Logarithms.
* logbfNx: (libc)Exponents and Logarithms.
* logbl: (libc)Exponents and Logarithms.
* logf: (libc)Exponents and Logarithms.
* logfN: (libc)Exponents and Logarithms.
* logfNx: (libc)Exponents and Logarithms.
* login: (libc)Logging In and Out.
* login_tty: (libc)Logging In and Out.
* logl: (libc)Exponents and Logarithms.
* logout: (libc)Logging In and Out.
* logp1: (libc)Exponents and Logarithms.
* logp1f: (libc)Exponents and Logarithms.
* logp1fN: (libc)Exponents and Logarithms.
* logp1fNx: (libc)Exponents and Logarithms.
* logp1l: (libc)Exponents and Logarithms.
* logwtmp: (libc)Logging In and Out.
* longjmp: (libc)Non-Local Details.
* lrand48: (libc)SVID Random.
* lrand48_r: (libc)SVID Random.
* lrint: (libc)Rounding Functions.
* lrintf: (libc)Rounding Functions.
* lrintfN: (libc)Rounding Functions.
* lrintfNx: (libc)Rounding Functions.
* lrintl: (libc)Rounding Functions.
* lround: (libc)Rounding Functions.
* lroundf: (libc)Rounding Functions.
* lroundfN: (libc)Rounding Functions.
* lroundfNx: (libc)Rounding Functions.
* lroundl: (libc)Rounding Functions.
* lsearch: (libc)Array Search Function.
* lseek64: (libc)File Position Primitive.
* lseek: (libc)File Position Primitive.
* lstat64: (libc)Reading Attributes.
* lstat: (libc)Reading Attributes.
* lutimes: (libc)File Times.
* madvise: (libc)Memory-mapped I/O.
* makecontext: (libc)System V contexts.
* mallinfo2: (libc)Statistics of Malloc.
* malloc: (libc)Basic Allocation.
* mallopt: (libc)Malloc Tunable Parameters.
* mblen: (libc)Non-reentrant Character Conversion.
* mbrlen: (libc)Converting a Character.
* mbrtowc: (libc)Converting a Character.
* mbsinit: (libc)Keeping the state.
* mbsnrtowcs: (libc)Converting Strings.
* mbsrtowcs: (libc)Converting Strings.
* mbstowcs: (libc)Non-reentrant String Conversion.
* mbtowc: (libc)Non-reentrant Character Conversion.
* mcheck: (libc)Heap Consistency Checking.
* memalign: (libc)Aligned Memory Blocks.
* memalignment: (libc)Aligned Memory Blocks.
* memccpy: (libc)Copying Strings and Arrays.
* memchr: (libc)Search Functions.
* memcmp: (libc)String/Array Comparison.
* memcpy: (libc)Copying Strings and Arrays.
* memfd_create: (libc)Memory-mapped I/O.
* memfrob: (libc)Obfuscating Data.
* memmem: (libc)Search Functions.
* memmove: (libc)Copying Strings and Arrays.
* mempcpy: (libc)Copying Strings and Arrays.
* memrchr: (libc)Search Functions.
* memset: (libc)Copying Strings and Arrays.
* memset_explicit: (libc)Erasing Sensitive Data.
* mkdir: (libc)Creating Directories.
* mkdirat: (libc)Creating Directories.
* mkdtemp: (libc)Temporary Files.
* mkfifo: (libc)FIFO Special Files.
* mknod: (libc)Making Special Files.
* mkstemp: (libc)Temporary Files.
* mktemp: (libc)Temporary Files.
* mktime: (libc)Broken-down Time.
* mlock2: (libc)Page Lock Functions.
* mlock: (libc)Page Lock Functions.
* mlockall: (libc)Page Lock Functions.
* mmap64: (libc)Memory-mapped I/O.
* mmap: (libc)Memory-mapped I/O.
* modf: (libc)Rounding Functions.
* modff: (libc)Rounding Functions.
* modffN: (libc)Rounding Functions.
* modffNx: (libc)Rounding Functions.
* modfl: (libc)Rounding Functions.
* mount: (libc)Mount-Unmount-Remount.
* mprobe: (libc)Heap Consistency Checking.
* mprotect: (libc)Memory Protection.
* mrand48: (libc)SVID Random.
* mrand48_r: (libc)SVID Random.
* mremap: (libc)Memory-mapped I/O.
* mseal: (libc)Memory Protection.
* msync: (libc)Memory-mapped I/O.
* mtrace: (libc)Tracing malloc.
* mtx_destroy: (libc)ISO C Mutexes.
* mtx_init: (libc)ISO C Mutexes.
* mtx_lock: (libc)ISO C Mutexes.
* mtx_timedlock: (libc)ISO C Mutexes.
* mtx_trylock: (libc)ISO C Mutexes.
* mtx_unlock: (libc)ISO C Mutexes.
* munlock: (libc)Page Lock Functions.
* munlockall: (libc)Page Lock Functions.
* munmap: (libc)Memory-mapped I/O.
* muntrace: (libc)Tracing malloc.
* nan: (libc)FP Bit Twiddling.
* nanf: (libc)FP Bit Twiddling.
* nanfN: (libc)FP Bit Twiddling.
* nanfNx: (libc)FP Bit Twiddling.
* nanl: (libc)FP Bit Twiddling.
* nanosleep: (libc)Sleeping.
* nearbyint: (libc)Rounding Functions.
* nearbyintf: (libc)Rounding Functions.
* nearbyintfN: (libc)Rounding Functions.
* nearbyintfNx: (libc)Rounding Functions.
* nearbyintl: (libc)Rounding Functions.
* nextafter: (libc)FP Bit Twiddling.
* nextafterf: (libc)FP Bit Twiddling.
* nextafterfN: (libc)FP Bit Twiddling.
* nextafterfNx: (libc)FP Bit Twiddling.
* nextafterl: (libc)FP Bit Twiddling.
* nextdown: (libc)FP Bit Twiddling.
* nextdownf: (libc)FP Bit Twiddling.
* nextdownfN: (libc)FP Bit Twiddling.
* nextdownfNx: (libc)FP Bit Twiddling.
* nextdownl: (libc)FP Bit Twiddling.
* nexttoward: (libc)FP Bit Twiddling.
* nexttowardf: (libc)FP Bit Twiddling.
* nexttowardl: (libc)FP Bit Twiddling.
* nextup: (libc)FP Bit Twiddling.
* nextupf: (libc)FP Bit Twiddling.
* nextupfN: (libc)FP Bit Twiddling.
* nextupfNx: (libc)FP Bit Twiddling.
* nextupl: (libc)FP Bit Twiddling.
* nftw64: (libc)Working with Directory Trees.
* nftw: (libc)Working with Directory Trees.
* ngettext: (libc)Advanced gettext functions.
* nice: (libc)Traditional Scheduling Functions.
* nl_langinfo: (libc)The Elegant and Fast Way.
* nrand48: (libc)SVID Random.
* nrand48_r: (libc)SVID Random.
* ntohl: (libc)Byte Order.
* ntohs: (libc)Byte Order.
* ntp_adjtime: (libc)Setting and Adjusting the Time.
* ntp_gettime: (libc)Setting and Adjusting the Time.
* obstack_1grow: (libc)Growing Objects.
* obstack_1grow_fast: (libc)Extra Fast Growing.
* obstack_alignment_mask: (libc)Obstacks Data Alignment.
* obstack_alloc: (libc)Allocation in an Obstack.
* obstack_base: (libc)Status of an Obstack.
* obstack_blank: (libc)Growing Objects.
* obstack_blank_fast: (libc)Extra Fast Growing.
* obstack_chunk_size: (libc)Obstack Chunks.
* obstack_copy0: (libc)Allocation in an Obstack.
* obstack_copy: (libc)Allocation in an Obstack.
* obstack_finish: (libc)Growing Objects.
* obstack_free: (libc)Freeing Obstack Objects.
* obstack_grow0: (libc)Growing Objects.
* obstack_grow: (libc)Growing Objects.
* obstack_init: (libc)Preparing for Obstacks.
* obstack_int_grow: (libc)Growing Objects.
* obstack_int_grow_fast: (libc)Extra Fast Growing.
* obstack_next_free: (libc)Status of an Obstack.
* obstack_object_size: (libc)Growing Objects.
* obstack_object_size: (libc)Status of an Obstack.
* obstack_printf: (libc)Dynamic Output.
* obstack_ptr_grow: (libc)Growing Objects.
* obstack_ptr_grow_fast: (libc)Extra Fast Growing.
* obstack_room: (libc)Extra Fast Growing.
* obstack_vprintf: (libc)Variable Arguments Output.
* offsetof: (libc)Structure Measurement.
* on_exit: (libc)Cleanups on Exit.
* open64: (libc)Opening and Closing Files.
* open: (libc)Opening and Closing Files.
* open_memstream: (libc)String Streams.
* openat2: (libc)Opening and Closing Files.
* openat64: (libc)Opening and Closing Files.
* openat: (libc)Opening and Closing Files.
* opendir: (libc)Opening a Directory.
* openlog: (libc)openlog.
* openpty: (libc)Pseudo-Terminal Pairs.
* parse_printf_format: (libc)Parsing a Template String.
* pathconf: (libc)Pathconf.
* pause: (libc)Using Pause.
* pclose: (libc)Pipe to a Subprocess.
* perror: (libc)Error Messages.
* pidfd_getpid: (libc)Querying a Process.
* pipe: (libc)Creating a Pipe.
* pkey_alloc: (libc)Memory Protection.
* pkey_free: (libc)Memory Protection.
* pkey_get: (libc)Memory Protection.
* pkey_mprotect: (libc)Memory Protection.
* pkey_set: (libc)Memory Protection.
* poll: (libc)Other Low-Level I/O APIs.
* popen: (libc)Pipe to a Subprocess.
* posix_fallocate64: (libc)Storage Allocation.
* posix_fallocate: (libc)Storage Allocation.
* posix_memalign: (libc)Aligned Memory Blocks.
* posix_openpt: (libc)Allocation.
* pow: (libc)Exponents and Logarithms.
* powf: (libc)Exponents and Logarithms.
* powfN: (libc)Exponents and Logarithms.
* powfNx: (libc)Exponents and Logarithms.
* powl: (libc)Exponents and Logarithms.
* pown: (libc)Exponents and Logarithms.
* pownf: (libc)Exponents and Logarithms.
* pownfN: (libc)Exponents and Logarithms.
* pownfNx: (libc)Exponents and Logarithms.
* pownl: (libc)Exponents and Logarithms.
* powr: (libc)Exponents and Logarithms.
* powrf: (libc)Exponents and Logarithms.
* powrfN: (libc)Exponents and Logarithms.
* powrfNx: (libc)Exponents and Logarithms.
* powrl: (libc)Exponents and Logarithms.
* pread64: (libc)I/O Primitives.
* pread: (libc)I/O Primitives.
* preadv2: (libc)Scatter-Gather.
* preadv64: (libc)Scatter-Gather.
* preadv64v2: (libc)Scatter-Gather.
* preadv: (libc)Scatter-Gather.
* printf: (libc)Formatted Output Functions.
* printf_size: (libc)Predefined Printf Handlers.
* printf_size_info: (libc)Predefined Printf Handlers.
* psignal: (libc)Signal Messages.
* pthread_attr_destroy: (libc)Creating and Destroying Threads.
* pthread_attr_getaffinity_np: (libc)Thread CPU Affinity.
* pthread_attr_getdetachstate: (libc)Creating and Destroying Threads.
* pthread_attr_getsigmask_np: (libc)Initial Thread Signal Mask.
* pthread_attr_init: (libc)Creating and Destroying Threads.
* pthread_attr_setaffinity_np: (libc)Thread CPU Affinity.
* pthread_attr_setdetachstate: (libc)Creating and Destroying Threads.
* pthread_attr_setsigmask_np: (libc)Initial Thread Signal Mask.
* pthread_barrier_destroy: (libc)POSIX Barriers.
* pthread_barrier_init: (libc)POSIX Barriers.
* pthread_barrier_wait: (libc)POSIX Barriers.
* pthread_clockjoin_np: (libc)Joining Threads.
* pthread_cond_clockwait: (libc)Waiting with Explicit Clocks.
* pthread_create: (libc)Creating and Destroying Threads.
* pthread_detach: (libc)Creating and Destroying Threads.
* pthread_equal: (libc)POSIX Threads Other APIs.
* pthread_getaffinity_np: (libc)Thread CPU Affinity.
* pthread_getattr_default_np: (libc)Default Thread Attributes.
* pthread_getcpuclockid: (libc)POSIX Threads Other APIs.
* pthread_getname_np: (libc)Thread Names.
* pthread_getspecific: (libc)Thread-specific Data.
* pthread_gettid_np: (libc)Process Identification.
* pthread_join: (libc)Creating and Destroying Threads.
* pthread_key_create: (libc)Thread-specific Data.
* pthread_key_delete: (libc)Thread-specific Data.
* pthread_kill: (libc)Creating and Destroying Threads.
* pthread_mutex_clocklock: (libc)POSIX Mutexes.
* pthread_mutex_destroy: (libc)POSIX Mutexes.
* pthread_mutex_init: (libc)POSIX Mutexes.
* pthread_mutex_lock: (libc)POSIX Mutexes.
* pthread_mutex_timedlock: (libc)POSIX Mutexes.
* pthread_mutex_trylock: (libc)POSIX Mutexes.
* pthread_mutex_unlock: (libc)POSIX Mutexes.
* pthread_mutexattr_destroy: (libc)POSIX Mutexes.
* pthread_mutexattr_gettype: (libc)POSIX Mutexes.
* pthread_mutexattr_init: (libc)POSIX Mutexes.
* pthread_mutexattr_settype: (libc)POSIX Mutexes.
* pthread_once: (libc)POSIX Threads Other APIs.
* pthread_rwlock_clockrdlock: (libc)Waiting with Explicit Clocks.
* pthread_rwlock_clockwrlock: (libc)Waiting with Explicit Clocks.
* pthread_self: (libc)Creating and Destroying Threads.
* pthread_setaffinity_np: (libc)Thread CPU Affinity.
* pthread_setattr_default_np: (libc)Default Thread Attributes.
* pthread_setname_np: (libc)Thread Names.
* pthread_setspecific: (libc)Thread-specific Data.
* pthread_sigmask: (libc)POSIX Threads Other APIs.
* pthread_spin_destroy: (libc)POSIX Spin Locks.
* pthread_spin_init: (libc)POSIX Spin Locks.
* pthread_spin_lock: (libc)POSIX Spin Locks.
* pthread_spin_trylock: (libc)POSIX Spin Locks.
* pthread_spin_unlock: (libc)POSIX Spin Locks.
* pthread_timedjoin_np: (libc)Joining Threads.
* pthread_tryjoin_np: (libc)Joining Threads.
* ptsname: (libc)Allocation.
* ptsname_r: (libc)Allocation.
* putc: (libc)Simple Output.
* putc_unlocked: (libc)Simple Output.
* putchar: (libc)Simple Output.
* putchar_unlocked: (libc)Simple Output.
* putenv: (libc)Environment Access.
* putpwent: (libc)Writing a User Entry.
* puts: (libc)Simple Output.
* pututline: (libc)Manipulating the Database.
* pututxline: (libc)XPG Functions.
* putw: (libc)Simple Output.
* putwc: (libc)Simple Output.
* putwc_unlocked: (libc)Simple Output.
* putwchar: (libc)Simple Output.
* putwchar_unlocked: (libc)Simple Output.
* pwrite64: (libc)I/O Primitives.
* pwrite: (libc)I/O Primitives.
* pwritev2: (libc)Scatter-Gather.
* pwritev64: (libc)Scatter-Gather.
* pwritev64v2: (libc)Scatter-Gather.
* pwritev: (libc)Scatter-Gather.
* qecvt: (libc)System V Number Conversion.
* qecvt_r: (libc)System V Number Conversion.
* qfcvt: (libc)System V Number Conversion.
* qfcvt_r: (libc)System V Number Conversion.
* qgcvt: (libc)System V Number Conversion.
* qsort: (libc)Array Sort Function.
* raise: (libc)Signaling Yourself.
* rand: (libc)ISO Random.
* rand_r: (libc)ISO Random.
* random: (libc)BSD Random.
* random_r: (libc)BSD Random.
* rawmemchr: (libc)Search Functions.
* read: (libc)I/O Primitives.
* readdir64: (libc)Reading/Closing Directory.
* readdir64_r: (libc)Reading/Closing Directory.
* readdir: (libc)Reading/Closing Directory.
* readdir_r: (libc)Reading/Closing Directory.
* readlink: (libc)Symbolic Links.
* readv: (libc)Scatter-Gather.
* realloc: (libc)Changing Block Size.
* reallocarray: (libc)Changing Block Size.
* realpath: (libc)Symbolic Links.
* recv: (libc)Receiving Data.
* recvfrom: (libc)Receiving Datagrams.
* recvmsg: (libc)Other Socket APIs.
* regcomp: (libc)POSIX Regexp Compilation.
* regerror: (libc)Regexp Cleanup.
* regexec: (libc)Matching POSIX Regexps.
* regfree: (libc)Regexp Cleanup.
* register_printf_function: (libc)Registering New Conversions.
* remainder: (libc)Remainder Functions.
* remainderf: (libc)Remainder Functions.
* remainderfN: (libc)Remainder Functions.
* remainderfNx: (libc)Remainder Functions.
* remainderl: (libc)Remainder Functions.
* remove: (libc)Deleting Files.
* rename: (libc)Renaming Files.
* renameat: (libc)Renaming Files.
* rewind: (libc)File Positioning.
* rewinddir: (libc)Random Access Directory.
* rindex: (libc)Search Functions.
* rint: (libc)Rounding Functions.
* rintf: (libc)Rounding Functions.
* rintfN: (libc)Rounding Functions.
* rintfNx: (libc)Rounding Functions.
* rintl: (libc)Rounding Functions.
* rmdir: (libc)Deleting Files.
* rootn: (libc)Exponents and Logarithms.
* rootnf: (libc)Exponents and Logarithms.
* rootnfN: (libc)Exponents and Logarithms.
* rootnfNx: (libc)Exponents and Logarithms.
* rootnl: (libc)Exponents and Logarithms.
* round: (libc)Rounding Functions.
* roundeven: (libc)Rounding Functions.
* roundevenf: (libc)Rounding Functions.
* roundevenfN: (libc)Rounding Functions.
* roundevenfNx: (libc)Rounding Functions.
* roundevenl: (libc)Rounding Functions.
* roundf: (libc)Rounding Functions.
* roundfN: (libc)Rounding Functions.
* roundfNx: (libc)Rounding Functions.
* roundl: (libc)Rounding Functions.
* rpmatch: (libc)Yes-or-No Questions.
* rsqrt: (libc)Exponents and Logarithms.
* rsqrtf: (libc)Exponents and Logarithms.
* rsqrtfN: (libc)Exponents and Logarithms.
* rsqrtfNx: (libc)Exponents and Logarithms.
* rsqrtl: (libc)Exponents and Logarithms.
* sbrk: (libc)Resizing the Data Segment.
* scalb: (libc)Normalization Functions.
* scalbf: (libc)Normalization Functions.
* scalbl: (libc)Normalization Functions.
* scalbln: (libc)Normalization Functions.
* scalblnf: (libc)Normalization Functions.
* scalblnfN: (libc)Normalization Functions.
* scalblnfNx: (libc)Normalization Functions.
* scalblnl: (libc)Normalization Functions.
* scalbn: (libc)Normalization Functions.
* scalbnf: (libc)Normalization Functions.
* scalbnfN: (libc)Normalization Functions.
* scalbnfNx: (libc)Normalization Functions.
* scalbnl: (libc)Normalization Functions.
* scandir64: (libc)Scanning Directory Content.
* scandir: (libc)Scanning Directory Content.
* scanf: (libc)Formatted Input Functions.
* sched_get_priority_max: (libc)Basic Scheduling Functions.
* sched_get_priority_min: (libc)Basic Scheduling Functions.
* sched_getaffinity: (libc)CPU Affinity.
* sched_getattr: (libc)Extensible Scheduling.
* sched_getcpu: (libc)CPU Affinity.
* sched_getparam: (libc)Basic Scheduling Functions.
* sched_getscheduler: (libc)Basic Scheduling Functions.
* sched_rr_get_interval: (libc)Basic Scheduling Functions.
* sched_setaffinity: (libc)CPU Affinity.
* sched_setattr: (libc)Extensible Scheduling.
* sched_setparam: (libc)Basic Scheduling Functions.
* sched_setscheduler: (libc)Basic Scheduling Functions.
* sched_yield: (libc)Basic Scheduling Functions.
* secure_getenv: (libc)Environment Access.
* seed48: (libc)SVID Random.
* seed48_r: (libc)SVID Random.
* seekdir: (libc)Random Access Directory.
* select: (libc)Waiting for I/O.
* sem_clockwait: (libc)POSIX Semaphores.
* sem_close: (libc)POSIX Semaphores.
* sem_destroy: (libc)POSIX Semaphores.
* sem_getvalue: (libc)POSIX Semaphores.
* sem_init: (libc)POSIX Semaphores.
* sem_open: (libc)POSIX Semaphores.
* sem_post: (libc)POSIX Semaphores.
* sem_timedwait: (libc)POSIX Semaphores.
* sem_trywait: (libc)POSIX Semaphores.
* sem_unlink: (libc)POSIX Semaphores.
* sem_wait: (libc)POSIX Semaphores.
* semctl: (libc)Semaphores.
* semget: (libc)Semaphores.
* semop: (libc)Semaphores.
* semtimedop: (libc)Semaphores.
* send: (libc)Sending Data.
* sendmsg: (libc)Other Socket APIs.
* sendto: (libc)Sending Datagrams.
* setbuf: (libc)Controlling Buffering.
* setbuffer: (libc)Controlling Buffering.
* setcontext: (libc)System V contexts.
* setdomainname: (libc)Host Identification.
* setegid: (libc)Setting Groups.
* setenv: (libc)Environment Access.
* seteuid: (libc)Setting User ID.
* setfsent: (libc)fstab.
* setgid: (libc)Setting Groups.
* setgrent: (libc)Scanning All Groups.
* setgroups: (libc)Setting Groups.
* sethostent: (libc)Host Names.
* sethostid: (libc)Host Identification.
* sethostname: (libc)Host Identification.
* setitimer: (libc)Setting an Alarm.
* setjmp: (libc)Non-Local Details.
* setlinebuf: (libc)Controlling Buffering.
* setlocale: (libc)Setting the Locale.
* setlogmask: (libc)setlogmask.
* setmntent: (libc)mtab.
* setnetent: (libc)Networks Database.
* setnetgrent: (libc)Lookup Netgroup.
* setpayload: (libc)FP Bit Twiddling.
* setpayloadf: (libc)FP Bit Twiddling.
* setpayloadfN: (libc)FP Bit Twiddling.
* setpayloadfNx: (libc)FP Bit Twiddling.
* setpayloadl: (libc)FP Bit Twiddling.
* setpayloadsig: (libc)FP Bit Twiddling.
* setpayloadsigf: (libc)FP Bit Twiddling.
* setpayloadsigfN: (libc)FP Bit Twiddling.
* setpayloadsigfNx: (libc)FP Bit Twiddling.
* setpayloadsigl: (libc)FP Bit Twiddling.
* setpgid: (libc)Process Group Functions.
* setpgrp: (libc)Process Group Functions.
* setpriority: (libc)Traditional Scheduling Functions.
* setprotoent: (libc)Protocols Database.
* setpwent: (libc)Scanning All Users.
* setregid: (libc)Setting Groups.
* setreuid: (libc)Setting User ID.
* setrlimit64: (libc)Limits on Resources.
* setrlimit: (libc)Limits on Resources.
* setservent: (libc)Services Database.
* setsid: (libc)Process Group Functions.
* setsockopt: (libc)Socket Option Functions.
* setstate: (libc)BSD Random.
* setstate_r: (libc)BSD Random.
* settimeofday: (libc)Setting and Adjusting the Time.
* setuid: (libc)Setting User ID.
* setutent: (libc)Manipulating the Database.
* setutxent: (libc)XPG Functions.
* setvbuf: (libc)Controlling Buffering.
* shm_open: (libc)Memory-mapped I/O.
* shm_unlink: (libc)Memory-mapped I/O.
* shutdown: (libc)Closing a Socket.
* sigabbrev_np: (libc)Signal Messages.
* sigaction: (libc)Advanced Signal Handling.
* sigaddset: (libc)Signal Sets.
* sigaltstack: (libc)Signal Stack.
* sigblock: (libc)BSD Signal Handling.
* sigdelset: (libc)Signal Sets.
* sigdescr_np: (libc)Signal Messages.
* sigemptyset: (libc)Signal Sets.
* sigfillset: (libc)Signal Sets.
* siginterrupt: (libc)BSD Signal Handling.
* sigismember: (libc)Signal Sets.
* siglongjmp: (libc)Non-Local Exits and Signals.
* sigmask: (libc)BSD Signal Handling.
* signal: (libc)Basic Signal Handling.
* signbit: (libc)FP Bit Twiddling.
* significand: (libc)Normalization Functions.
* significandf: (libc)Normalization Functions.
* significandl: (libc)Normalization Functions.
* sigpause: (libc)BSD Signal Handling.
* sigpending: (libc)Checking for Pending Signals.
* sigprocmask: (libc)Process Signal Mask.
* sigsetjmp: (libc)Non-Local Exits and Signals.
* sigsetmask: (libc)BSD Signal Handling.
* sigstack: (libc)Signal Stack.
* sigsuspend: (libc)Sigsuspend.
* sin: (libc)Trig Functions.
* sincos: (libc)Trig Functions.
* sincosf: (libc)Trig Functions.
* sincosfN: (libc)Trig Functions.
* sincosfNx: (libc)Trig Functions.
* sincosl: (libc)Trig Functions.
* sinf: (libc)Trig Functions.
* sinfN: (libc)Trig Functions.
* sinfNx: (libc)Trig Functions.
* sinh: (libc)Hyperbolic Functions.
* sinhf: (libc)Hyperbolic Functions.
* sinhfN: (libc)Hyperbolic Functions.
* sinhfNx: (libc)Hyperbolic Functions.
* sinhl: (libc)Hyperbolic Functions.
* sinl: (libc)Trig Functions.
* sinpi: (libc)Trig Functions.
* sinpif: (libc)Trig Functions.
* sinpifN: (libc)Trig Functions.
* sinpifNx: (libc)Trig Functions.
* sinpil: (libc)Trig Functions.
* sleep: (libc)Sleeping.
* snprintf: (libc)Formatted Output Functions.
* socket: (libc)Creating a Socket.
* socketpair: (libc)Socket Pairs.
* sprintf: (libc)Formatted Output Functions.
* sqrt: (libc)Exponents and Logarithms.
* sqrtf: (libc)Exponents and Logarithms.
* sqrtfN: (libc)Exponents and Logarithms.
* sqrtfNx: (libc)Exponents and Logarithms.
* sqrtl: (libc)Exponents and Logarithms.
* srand48: (libc)SVID Random.
* srand48_r: (libc)SVID Random.
* srand: (libc)ISO Random.
* srandom: (libc)BSD Random.
* srandom_r: (libc)BSD Random.
* sscanf: (libc)Formatted Input Functions.
* ssignal: (libc)Basic Signal Handling.
* stat64: (libc)Reading Attributes.
* stat: (libc)Reading Attributes.
* stdc_bit_ceil_uc: (libc)Bit Manipulation.
* stdc_bit_ceil_ui: (libc)Bit Manipulation.
* stdc_bit_ceil_ul: (libc)Bit Manipulation.
* stdc_bit_ceil_ull: (libc)Bit Manipulation.
* stdc_bit_ceil_us: (libc)Bit Manipulation.
* stdc_bit_floor_uc: (libc)Bit Manipulation.
* stdc_bit_floor_ui: (libc)Bit Manipulation.
* stdc_bit_floor_ul: (libc)Bit Manipulation.
* stdc_bit_floor_ull: (libc)Bit Manipulation.
* stdc_bit_floor_us: (libc)Bit Manipulation.
* stdc_bit_width_uc: (libc)Bit Manipulation.
* stdc_bit_width_ui: (libc)Bit Manipulation.
* stdc_bit_width_ul: (libc)Bit Manipulation.
* stdc_bit_width_ull: (libc)Bit Manipulation.
* stdc_bit_width_us: (libc)Bit Manipulation.
* stdc_count_ones_uc: (libc)Bit Manipulation.
* stdc_count_ones_ui: (libc)Bit Manipulation.
* stdc_count_ones_ul: (libc)Bit Manipulation.
* stdc_count_ones_ull: (libc)Bit Manipulation.
* stdc_count_ones_us: (libc)Bit Manipulation.
* stdc_count_zeros_uc: (libc)Bit Manipulation.
* stdc_count_zeros_ui: (libc)Bit Manipulation.
* stdc_count_zeros_ul: (libc)Bit Manipulation.
* stdc_count_zeros_ull: (libc)Bit Manipulation.
* stdc_count_zeros_us: (libc)Bit Manipulation.
* stdc_first_leading_one_uc: (libc)Bit Manipulation.
* stdc_first_leading_one_ui: (libc)Bit Manipulation.
* stdc_first_leading_one_ul: (libc)Bit Manipulation.
* stdc_first_leading_one_ull: (libc)Bit Manipulation.
* stdc_first_leading_one_us: (libc)Bit Manipulation.
* stdc_first_leading_zero_uc: (libc)Bit Manipulation.
* stdc_first_leading_zero_ui: (libc)Bit Manipulation.
* stdc_first_leading_zero_ul: (libc)Bit Manipulation.
* stdc_first_leading_zero_ull: (libc)Bit Manipulation.
* stdc_first_leading_zero_us: (libc)Bit Manipulation.
* stdc_first_trailing_one_uc: (libc)Bit Manipulation.
* stdc_first_trailing_one_ui: (libc)Bit Manipulation.
* stdc_first_trailing_one_ul: (libc)Bit Manipulation.
* stdc_first_trailing_one_ull: (libc)Bit Manipulation.
* stdc_first_trailing_one_us: (libc)Bit Manipulation.
* stdc_first_trailing_zero_uc: (libc)Bit Manipulation.
* stdc_first_trailing_zero_ui: (libc)Bit Manipulation.
* stdc_first_trailing_zero_ul: (libc)Bit Manipulation.
* stdc_first_trailing_zero_ull: (libc)Bit Manipulation.
* stdc_first_trailing_zero_us: (libc)Bit Manipulation.
* stdc_has_single_bit_uc: (libc)Bit Manipulation.
* stdc_has_single_bit_ui: (libc)Bit Manipulation.
* stdc_has_single_bit_ul: (libc)Bit Manipulation.
* stdc_has_single_bit_ull: (libc)Bit Manipulation.
* stdc_has_single_bit_us: (libc)Bit Manipulation.
* stdc_leading_ones_uc: (libc)Bit Manipulation.
* stdc_leading_ones_ui: (libc)Bit Manipulation.
* stdc_leading_ones_ul: (libc)Bit Manipulation.
* stdc_leading_ones_ull: (libc)Bit Manipulation.
* stdc_leading_ones_us: (libc)Bit Manipulation.
* stdc_leading_zeros_uc: (libc)Bit Manipulation.
* stdc_leading_zeros_ui: (libc)Bit Manipulation.
* stdc_leading_zeros_ul: (libc)Bit Manipulation.
* stdc_leading_zeros_ull: (libc)Bit Manipulation.
* stdc_leading_zeros_us: (libc)Bit Manipulation.
* stdc_trailing_ones_uc: (libc)Bit Manipulation.
* stdc_trailing_ones_ui: (libc)Bit Manipulation.
* stdc_trailing_ones_ul: (libc)Bit Manipulation.
* stdc_trailing_ones_ull: (libc)Bit Manipulation.
* stdc_trailing_ones_us: (libc)Bit Manipulation.
* stdc_trailing_zeros_uc: (libc)Bit Manipulation.
* stdc_trailing_zeros_ui: (libc)Bit Manipulation.
* stdc_trailing_zeros_ul: (libc)Bit Manipulation.
* stdc_trailing_zeros_ull: (libc)Bit Manipulation.
* stdc_trailing_zeros_us: (libc)Bit Manipulation.
* stime: (libc)Setting and Adjusting the Time.
* stpcpy: (libc)Copying Strings and Arrays.
* stpncpy: (libc)Truncating Strings.
* strcasecmp: (libc)String/Array Comparison.
* strcasestr: (libc)Search Functions.
* strcat: (libc)Concatenating Strings.
* strchr: (libc)Search Functions.
* strchrnul: (libc)Search Functions.
* strcmp: (libc)String/Array Comparison.
* strcoll: (libc)Collation Functions.
* strcpy: (libc)Copying Strings and Arrays.
* strcspn: (libc)Search Functions.
* strdup: (libc)Copying Strings and Arrays.
* strdupa: (libc)Copying Strings and Arrays.
* strerror: (libc)Error Messages.
* strerror_l: (libc)Error Messages.
* strerror_r: (libc)Error Messages.
* strerror_r: (libc)Error Messages.
* strerrordesc_np: (libc)Error Messages.
* strerrorname_np: (libc)Error Messages.
* strfmon: (libc)Formatting Numbers.
* strfromd: (libc)Printing of Floats.
* strfromf: (libc)Printing of Floats.
* strfromfN: (libc)Printing of Floats.
* strfromfNx: (libc)Printing of Floats.
* strfroml: (libc)Printing of Floats.
* strfry: (libc)Shuffling Bytes.
* strftime: (libc)Formatting Calendar Time.
* strftime_l: (libc)Formatting Calendar Time.
* strlcat: (libc)Truncating Strings.
* strlcpy: (libc)Truncating Strings.
* strlen: (libc)String Length.
* strncasecmp: (libc)String/Array Comparison.
* strncat: (libc)Truncating Strings.
* strncmp: (libc)String/Array Comparison.
* strncpy: (libc)Truncating Strings.
* strndup: (libc)Truncating Strings.
* strndupa: (libc)Truncating Strings.
* strnlen: (libc)String Length.
* strpbrk: (libc)Search Functions.
* strptime: (libc)Low-Level Time String Parsing.
* strrchr: (libc)Search Functions.
* strsep: (libc)Finding Tokens in a String.
* strsignal: (libc)Signal Messages.
* strspn: (libc)Search Functions.
* strstr: (libc)Search Functions.
* strtod: (libc)Parsing of Floats.
* strtof: (libc)Parsing of Floats.
* strtofN: (libc)Parsing of Floats.
* strtofNx: (libc)Parsing of Floats.
* strtoimax: (libc)Parsing of Integers.
* strtok: (libc)Finding Tokens in a String.
* strtok_r: (libc)Finding Tokens in a String.
* strtol: (libc)Parsing of Integers.
* strtold: (libc)Parsing of Floats.
* strtoll: (libc)Parsing of Integers.
* strtoq: (libc)Parsing of Integers.
* strtoul: (libc)Parsing of Integers.
* strtoull: (libc)Parsing of Integers.
* strtoumax: (libc)Parsing of Integers.
* strtouq: (libc)Parsing of Integers.
* strverscmp: (libc)String/Array Comparison.
* strxfrm: (libc)Collation Functions.
* stty: (libc)BSD Terminal Modes.
* swapcontext: (libc)System V contexts.
* swprintf: (libc)Formatted Output Functions.
* swscanf: (libc)Formatted Input Functions.
* symlink: (libc)Symbolic Links.
* sync: (libc)Synchronizing I/O.
* syscall: (libc)System Calls.
* sysconf: (libc)Sysconf Definition.
* syslog: (libc)syslog; vsyslog.
* system: (libc)Running a Command.
* sysv_signal: (libc)Basic Signal Handling.
* tan: (libc)Trig Functions.
* tanf: (libc)Trig Functions.
* tanfN: (libc)Trig Functions.
* tanfNx: (libc)Trig Functions.
* tanh: (libc)Hyperbolic Functions.
* tanhf: (libc)Hyperbolic Functions.
* tanhfN: (libc)Hyperbolic Functions.
* tanhfNx: (libc)Hyperbolic Functions.
* tanhl: (libc)Hyperbolic Functions.
* tanl: (libc)Trig Functions.
* tanpi: (libc)Trig Functions.
* tanpif: (libc)Trig Functions.
* tanpifN: (libc)Trig Functions.
* tanpifNx: (libc)Trig Functions.
* tanpil: (libc)Trig Functions.
* tcdrain: (libc)Line Control.
* tcflow: (libc)Line Control.
* tcflush: (libc)Line Control.
* tcgetattr: (libc)Mode Functions.
* tcgetpgrp: (libc)Terminal Access Functions.
* tcgetsid: (libc)Terminal Access Functions.
* tcsendbreak: (libc)Line Control.
* tcsetattr: (libc)Mode Functions.
* tcsetpgrp: (libc)Terminal Access Functions.
* tdelete: (libc)Tree Search Function.
* tdestroy: (libc)Tree Search Function.
* telldir: (libc)Random Access Directory.
* tempnam: (libc)Temporary Files.
* textdomain: (libc)Locating gettext catalog.
* tfind: (libc)Tree Search Function.
* tgamma: (libc)Special Functions.
* tgammaf: (libc)Special Functions.
* tgammafN: (libc)Special Functions.
* tgammafNx: (libc)Special Functions.
* tgammal: (libc)Special Functions.
* tgkill: (libc)Signaling Another Process.
* thrd_create: (libc)ISO C Thread Management.
* thrd_current: (libc)ISO C Thread Management.
* thrd_detach: (libc)ISO C Thread Management.
* thrd_equal: (libc)ISO C Thread Management.
* thrd_exit: (libc)ISO C Thread Management.
* thrd_join: (libc)ISO C Thread Management.
* thrd_sleep: (libc)ISO C Thread Management.
* thrd_yield: (libc)ISO C Thread Management.
* time: (libc)Getting the Time.
* timegm: (libc)Broken-down Time.
* timelocal: (libc)Broken-down Time.
* times: (libc)Processor Time.
* timespec_get: (libc)Getting the Time.
* timespec_getres: (libc)Getting the Time.
* tmpfile64: (libc)Temporary Files.
* tmpfile: (libc)Temporary Files.
* tmpnam: (libc)Temporary Files.
* tmpnam_r: (libc)Temporary Files.
* toascii: (libc)Case Conversion.
* tolower: (libc)Case Conversion.
* totalorder: (libc)FP Comparison Functions.
* totalorderf: (libc)FP Comparison Functions.
* totalorderfN: (libc)FP Comparison Functions.
* totalorderfNx: (libc)FP Comparison Functions.
* totalorderl: (libc)FP Comparison Functions.
* totalordermag: (libc)FP Comparison Functions.
* totalordermagf: (libc)FP Comparison Functions.
* totalordermagfN: (libc)FP Comparison Functions.
* totalordermagfNx: (libc)FP Comparison Functions.
* totalordermagl: (libc)FP Comparison Functions.
* toupper: (libc)Case Conversion.
* towctrans: (libc)Wide Character Case Conversion.
* towlower: (libc)Wide Character Case Conversion.
* towupper: (libc)Wide Character Case Conversion.
* trunc: (libc)Rounding Functions.
* truncate64: (libc)File Size.
* truncate: (libc)File Size.
* truncf: (libc)Rounding Functions.
* truncfN: (libc)Rounding Functions.
* truncfNx: (libc)Rounding Functions.
* truncl: (libc)Rounding Functions.
* tsearch: (libc)Tree Search Function.
* tss_create: (libc)ISO C Thread-local Storage.
* tss_delete: (libc)ISO C Thread-local Storage.
* tss_get: (libc)ISO C Thread-local Storage.
* tss_set: (libc)ISO C Thread-local Storage.
* ttyname: (libc)Is It a Terminal.
* ttyname_r: (libc)Is It a Terminal.
* twalk: (libc)Tree Search Function.
* twalk_r: (libc)Tree Search Function.
* tzset: (libc)Time Zone State.
* uabs: (libc)Absolute Value.
* ufromfp: (libc)Rounding Functions.
* ufromfpf: (libc)Rounding Functions.
* ufromfpfN: (libc)Rounding Functions.
* ufromfpfNx: (libc)Rounding Functions.
* ufromfpl: (libc)Rounding Functions.
* ufromfpx: (libc)Rounding Functions.
* ufromfpxf: (libc)Rounding Functions.
* ufromfpxfN: (libc)Rounding Functions.
* ufromfpxfNx: (libc)Rounding Functions.
* ufromfpxl: (libc)Rounding Functions.
* ulabs: (libc)Absolute Value.
* ulimit: (libc)Limits on Resources.
* ullabs: (libc)Absolute Value.
* umask: (libc)Setting Permissions.
* umaxabs: (libc)Absolute Value.
* umount2: (libc)Mount-Unmount-Remount.
* umount: (libc)Mount-Unmount-Remount.
* uname: (libc)Platform Type.
* ungetc: (libc)How Unread.
* ungetwc: (libc)How Unread.
* unlink: (libc)Deleting Files.
* unlinkat: (libc)Deleting Files.
* unlockpt: (libc)Allocation.
* unsetenv: (libc)Environment Access.
* updwtmp: (libc)Manipulating the Database.
* utime: (libc)File Times.
* utimensat: (libc)File Times.
* utimes: (libc)File Times.
* utmpname: (libc)Manipulating the Database.
* utmpxname: (libc)XPG Functions.
* va_arg: (libc)Argument Macros.
* va_copy: (libc)Argument Macros.
* va_end: (libc)Argument Macros.
* va_start: (libc)Argument Macros.
* valloc: (libc)Aligned Memory Blocks.
* vasprintf: (libc)Variable Arguments Output.
* vdprintf: (libc)Variable Arguments Output.
* verr: (libc)Error Messages.
* verrx: (libc)Error Messages.
* versionsort64: (libc)Scanning Directory Content.
* versionsort: (libc)Scanning Directory Content.
* vfork: (libc)Creating a Process.
* vfprintf: (libc)Variable Arguments Output.
* vfscanf: (libc)Variable Arguments Input.
* vfwprintf: (libc)Variable Arguments Output.
* vfwscanf: (libc)Variable Arguments Input.
* vlimit: (libc)Limits on Resources.
* vprintf: (libc)Variable Arguments Output.
* vscanf: (libc)Variable Arguments Input.
* vsnprintf: (libc)Variable Arguments Output.
* vsprintf: (libc)Variable Arguments Output.
* vsscanf: (libc)Variable Arguments Input.
* vswprintf: (libc)Variable Arguments Output.
* vswscanf: (libc)Variable Arguments Input.
* vsyslog: (libc)syslog; vsyslog.
* vwarn: (libc)Error Messages.
* vwarnx: (libc)Error Messages.
* vwprintf: (libc)Variable Arguments Output.
* vwscanf: (libc)Variable Arguments Input.
* wait3: (libc)BSD Wait Functions.
* wait4: (libc)Process Completion.
* wait: (libc)Process Completion.
* waitpid: (libc)Process Completion.
* warn: (libc)Error Messages.
* warnx: (libc)Error Messages.
* wcpcpy: (libc)Copying Strings and Arrays.
* wcpncpy: (libc)Truncating Strings.
* wcrtomb: (libc)Converting a Character.
* wcscasecmp: (libc)String/Array Comparison.
* wcscat: (libc)Concatenating Strings.
* wcschr: (libc)Search Functions.
* wcschrnul: (libc)Search Functions.
* wcscmp: (libc)String/Array Comparison.
* wcscoll: (libc)Collation Functions.
* wcscpy: (libc)Copying Strings and Arrays.
* wcscspn: (libc)Search Functions.
* wcsdup: (libc)Copying Strings and Arrays.
* wcsftime: (libc)Formatting Calendar Time.
* wcslcat: (libc)Truncating Strings.
* wcslcpy: (libc)Truncating Strings.
* wcslen: (libc)String Length.
* wcsncasecmp: (libc)String/Array Comparison.
* wcsncat: (libc)Truncating Strings.
* wcsncmp: (libc)String/Array Comparison.
* wcsncpy: (libc)Truncating Strings.
* wcsnlen: (libc)String Length.
* wcsnrtombs: (libc)Converting Strings.
* wcspbrk: (libc)Search Functions.
* wcsrchr: (libc)Search Functions.
* wcsrtombs: (libc)Converting Strings.
* wcsspn: (libc)Search Functions.
* wcsstr: (libc)Search Functions.
* wcstod: (libc)Parsing of Floats.
* wcstof: (libc)Parsing of Floats.
* wcstofN: (libc)Parsing of Floats.
* wcstofNx: (libc)Parsing of Floats.
* wcstoimax: (libc)Parsing of Integers.
* wcstok: (libc)Finding Tokens in a String.
* wcstol: (libc)Parsing of Integers.
* wcstold: (libc)Parsing of Floats.
* wcstoll: (libc)Parsing of Integers.
* wcstombs: (libc)Non-reentrant String Conversion.
* wcstoq: (libc)Parsing of Integers.
* wcstoul: (libc)Parsing of Integers.
* wcstoull: (libc)Parsing of Integers.
* wcstoumax: (libc)Parsing of Integers.
* wcstouq: (libc)Parsing of Integers.
* wcswcs: (libc)Search Functions.
* wcsxfrm: (libc)Collation Functions.
* wctob: (libc)Converting a Character.
* wctomb: (libc)Non-reentrant Character Conversion.
* wctrans: (libc)Wide Character Case Conversion.
* wctype: (libc)Classification of Wide Characters.
* wmemchr: (libc)Search Functions.
* wmemcmp: (libc)String/Array Comparison.
* wmemcpy: (libc)Copying Strings and Arrays.
* wmemmove: (libc)Copying Strings and Arrays.
* wmempcpy: (libc)Copying Strings and Arrays.
* wmemset: (libc)Copying Strings and Arrays.
* wordexp: (libc)Calling Wordexp.
* wordfree: (libc)Calling Wordexp.
* wprintf: (libc)Formatted Output Functions.
* write: (libc)I/O Primitives.
* writev: (libc)Scatter-Gather.
* wscanf: (libc)Formatted Input Functions.
* y0: (libc)Special Functions.
* y0f: (libc)Special Functions.
* y0fN: (libc)Special Functions.
* y0fNx: (libc)Special Functions.
* y0l: (libc)Special Functions.
* y1: (libc)Special Functions.
* y1f: (libc)Special Functions.
* y1fN: (libc)Special Functions.
* y1fNx: (libc)Special Functions.
* y1l: (libc)Special Functions.
* yn: (libc)Special Functions.
* ynf: (libc)Special Functions.
* ynfN: (libc)Special Functions.
* ynfNx: (libc)Special Functions.
* ynl: (libc)Special Functions.
END-INFO-DIR-ENTRY


File: libc.info,  Node: Non-local Goto Probes,  Prev: Memory Allocation Probes,  Up: Internal Probes

38.2 Non-local Goto Probes
==========================

These probes are used to signal calls to ‘setjmp’, ‘sigsetjmp’,
‘longjmp’ or ‘siglongjmp’.

 -- Probe: setjmp (void *$ARG1, int $ARG2, void *$ARG3)
     This probe is triggered whenever ‘setjmp’ or ‘sigsetjmp’ is called.
     Argument $ARG1 is a pointer to the ‘jmp_buf’ passed as the first
     argument of ‘setjmp’ or ‘sigsetjmp’, $ARG2 is the second argument
     of ‘sigsetjmp’ or zero if this is a call to ‘setjmp’ and $ARG3 is a
     pointer to the return address that will be stored in the ‘jmp_buf’.

 -- Probe: longjmp (void *$ARG1, int $ARG2, void *$ARG3)
     This probe is triggered whenever ‘longjmp’ or ‘siglongjmp’ is
     called.  Argument $ARG1 is a pointer to the ‘jmp_buf’ passed as the
     first argument of ‘longjmp’ or ‘siglongjmp’, $ARG2 is the return
     value passed as the second argument of ‘longjmp’ or ‘siglongjmp’
     and $ARG3 is a pointer to the return address ‘longjmp’ or
     ‘siglongjmp’ will return to.

     The ‘longjmp’ probe is triggered at a point where the registers
     have not yet been restored to the values in the ‘jmp_buf’ and
     unwinding will show a call stack including the caller of ‘longjmp’
     or ‘siglongjmp’.

 -- Probe: longjmp_target (void *$ARG1, int $ARG2, void *$ARG3)
     This probe is triggered under the same conditions and with the same
     arguments as the ‘longjmp’ probe.

     The ‘longjmp_target’ probe is triggered at a point where the
     registers have been restored to the values in the ‘jmp_buf’ and
     unwinding will show a call stack including the caller of ‘setjmp’
     or ‘sigsetjmp’.


File: libc.info,  Node: Tunables,  Next: Language Features,  Prev: Internal Probes,  Up: Top

39 Tunables
***********

“Tunables” are a feature in the GNU C Library that allows application
authors and distribution maintainers to alter the runtime library
behavior to match their workload.  These are implemented as a set of
switches that may be modified in different ways.  The current default
method to do this is via the ‘GLIBC_TUNABLES’ environment variable by
setting it to a string of colon-separated NAME=VALUE pairs.  For
example, the following example enables ‘malloc’ checking and sets the
‘malloc’ trim threshold to 128 bytes:

     GLIBC_TUNABLES=glibc.malloc.trim_threshold=128:glibc.malloc.check=3
     export GLIBC_TUNABLES

   Tunables are not part of the GNU C Library stable ABI, and they are
subject to change or removal across releases.  Additionally, the method
to modify tunable values may change between releases and across
distributions.  It is possible to implement multiple 'frontends' for the
tunables allowing distributions to choose their preferred method at
build time.

   Finally, the set of tunables available may vary between distributions
as the tunables feature allows distributions to add their own tunables
under their own namespace.

   Passing ‘--list-tunables’ to the dynamic loader to print all tunables
with minimum and maximum values:

     $ /lib64/ld-linux-x86-64.so.2 --list-tunables
     glibc.rtld.nns: 0x4 (min: 0x1, max: 0x10)
     glibc.malloc.trim_threshold: 0x0 (min: 0x0, max: 0xffffffffffffffff)
     glibc.malloc.perturb: 0 (min: 0, max: 255)
     glibc.cpu.x86_shared_cache_size: 0x100000 (min: 0x0, max: 0xffffffffffffffff)
     glibc.pthread.rseq: 1 (min: 0, max: 1)
     glibc.cpu.prefer_map_32bit_exec: 0 (min: 0, max: 1)
     glibc.mem.tagging: 0 (min: 0, max: 255)
     glibc.malloc.hugetlb: 0x0 (min: 0x0, max: 0xffffffffffffffff)
     glibc.cpu.x86_rep_movsb_threshold: 0x2000 (min: 0x100, max: 0xffffffffffffffff)
     glibc.malloc.mxfast: 0x0 (min: 0x0, max: 0xffffffffffffffff)
     glibc.rtld.dynamic_sort: 2 (min: 1, max: 2)
     glibc.malloc.top_pad: 0x20000 (min: 0x0, max: 0xffffffffffffffff)
     glibc.cpu.x86_rep_stosb_threshold: 0x800 (min: 0x1, max: 0xffffffffffffffff)
     glibc.cpu.x86_non_temporal_threshold: 0xc0000 (min: 0x4040, max: 0xfffffffffffffff)
     glibc.cpu.x86_memset_non_temporal_threshold: 0xc0000 (min: 0x4040, max: 0xfffffffffffffff)
     glibc.cpu.x86_shstk:
     glibc.pthread.stack_cache_size: 0x2800000 (min: 0x0, max: 0xffffffffffffffff)
     glibc.malloc.mmap_max: 0 (min: 0, max: 2147483647)
     glibc.cpu.plt_rewrite: 0 (min: 0, max: 2)
     glibc.malloc.tcache_unsorted_limit: 0x0 (min: 0x0, max: 0xffffffffffffffff)
     glibc.cpu.x86_ibt:
     glibc.cpu.hwcaps:
     glibc.malloc.arena_max: 0x0 (min: 0x1, max: 0xffffffffffffffff)
     glibc.malloc.mmap_threshold: 0x0 (min: 0x0, max: 0xffffffffffffffff)
     glibc.cpu.x86_data_cache_size: 0x8000 (min: 0x0, max: 0xffffffffffffffff)
     glibc.malloc.tcache_count: 0x0 (min: 0x0, max: 0xffffffffffffffff)
     glibc.malloc.arena_test: 0x0 (min: 0x1, max: 0xffffffffffffffff)
     glibc.pthread.mutex_spin_count: 100 (min: 0, max: 32767)
     glibc.rtld.optional_static_tls: 0x200 (min: 0x0, max: 0xffffffffffffffff)
     glibc.malloc.tcache_max: 0x0 (min: 0x0, max: 0xffffffffffffffff)
     glibc.malloc.check: 0 (min: 0, max: 3)

* Menu:

* Tunable names::  The structure of a tunable name
* Memory Allocation Tunables::  Tunables in the memory allocation subsystem
* Dynamic Linking Tunables:: Tunables in the dynamic linking subsystem
* POSIX Thread Tunables:: Tunables in the POSIX thread subsystem
* Hardware Capability Tunables::  Tunables that modify the hardware
				  capabilities seen by the GNU C Library
* Memory Related Tunables::  Tunables that control the use of memory by
			     the GNU C Library.
* gmon Tunables::  Tunables that control the gmon profiler, used in
                   conjunction with gprof


File: libc.info,  Node: Tunable names,  Next: Memory Allocation Tunables,  Up: Tunables

39.1 Tunable names
==================

A tunable name is split into three components, a top namespace, a
tunable namespace and the tunable name.  The top namespace for tunables
implemented in the GNU C Library is ‘glibc’.  Distributions that choose
to add custom tunables in their maintained versions of the GNU C Library
may choose to do so under their own top namespace.

   The tunable namespace is a logical grouping of tunables in a single
module.  This currently holds no special significance, although that may
change in the future.

   The tunable name is the actual name of the tunable.  It is possible
that different tunable namespaces may have tunables within them that
have the same name, likewise for top namespaces.  Hence, we only support
identification of tunables by their full name, i.e.  with the top
namespace, tunable namespace and tunable name, separated by periods.


File: libc.info,  Node: Memory Allocation Tunables,  Next: Dynamic Linking Tunables,  Prev: Tunable names,  Up: Tunables

39.2 Memory Allocation Tunables
===============================

 -- Tunable namespace: glibc.malloc
     Memory allocation behavior can be modified by setting any of the
     following tunables in the ‘malloc’ namespace:

 -- Tunable: glibc.malloc.check
     This tunable supersedes the ‘MALLOC_CHECK_’ environment variable
     and is identical in features.  This tunable has no effect by
     default and needs the debug library ‘libc_malloc_debug’ to be
     preloaded using the ‘LD_PRELOAD’ environment variable.

     Setting this tunable to a non-zero value less than 4 enables a
     special (less efficient) memory allocator for the ‘malloc’ family
     of functions that is designed to be tolerant against simple errors
     such as double calls of free with the same argument, or overruns of
     a single byte (off-by-one bugs).  Not all such errors can be
     protected against, however, and memory leaks can result.  Any
     detected heap corruption results in immediate termination of the
     process.

     Like ‘MALLOC_CHECK_’, ‘glibc.malloc.check’ has a problem in that it
     diverges from normal program behavior by writing to ‘stderr’, which
     could by exploited in SUID and SGID binaries.  Therefore,
     ‘glibc.malloc.check’ is disabled by default for SUID and SGID
     binaries.

 -- Tunable: glibc.malloc.top_pad
     This tunable supersedes the ‘MALLOC_TOP_PAD_’ environment variable
     and is identical in features.

     This tunable determines the amount of extra memory in bytes to
     obtain from the system when any of the arenas need to be extended.
     It also specifies the number of bytes to retain when shrinking any
     of the arenas.  This provides the necessary hysteresis in heap size
     such that excessive amounts of system calls can be avoided.

     The default value of this tunable is ‘131072’ (128 KB).

 -- Tunable: glibc.malloc.perturb
     This tunable supersedes the ‘MALLOC_PERTURB_’ environment variable
     and is identical in features.

     If set to a non-zero value, memory blocks are initialized with
     values depending on some low order bits of this tunable when they
     are allocated (except when allocated by ‘calloc’) and freed.  This
     can be used to debug the use of uninitialized or freed heap memory.
     Note that this option does not guarantee that the freed block will
     have any specific values.  It only guarantees that the content the
     block had before it was freed will be overwritten.

     The default value of this tunable is ‘0’.

 -- Tunable: glibc.malloc.mmap_threshold
     This tunable supersedes the ‘MALLOC_MMAP_THRESHOLD_’ environment
     variable and is identical in features.

     When this tunable is set, all chunks larger than this value in
     bytes are allocated outside the normal heap, using the ‘mmap’
     system call.  This way it is guaranteed that the memory for these
     chunks can be returned to the system on ‘free’.  Note that requests
     smaller than this threshold might still be allocated via ‘mmap’.

     If this tunable is not set, the default value is set to ‘131072’
     bytes and the threshold is adjusted dynamically to suit the
     allocation patterns of the program.  If the tunable is set, the
     dynamic adjustment is disabled and the value is set as static.

 -- Tunable: glibc.malloc.trim_threshold
     This tunable supersedes the ‘MALLOC_TRIM_THRESHOLD_’ environment
     variable and is identical in features.

     The value of this tunable is the minimum size (in bytes) of the
     top-most, releasable chunk in an arena that will trigger a system
     call in order to return memory to the system from that arena.

     If this tunable is not set, the default value is set as 128 KB and
     the threshold is adjusted dynamically to suit the allocation
     patterns of the program.  If the tunable is set, the dynamic
     adjustment is disabled and the value is set as static.

 -- Tunable: glibc.malloc.mmap_max
     This tunable supersedes the ‘MALLOC_MMAP_MAX_’ environment variable
     and is identical in features.

     The value of this tunable is maximum number of chunks to allocate
     with ‘mmap’.  Setting this to zero disables all use of ‘mmap’.

     The default value of this tunable is ‘65536’.

 -- Tunable: glibc.malloc.arena_test
     This tunable supersedes the ‘MALLOC_ARENA_TEST’ environment
     variable and is identical in features.

     The ‘glibc.malloc.arena_test’ tunable specifies the number of
     arenas that can be created before the test on the limit to the
     number of arenas is conducted.  The value is ignored if
     ‘glibc.malloc.arena_max’ is set.

     The default value of this tunable is 2 for 32-bit systems and 8 for
     64-bit systems.

 -- Tunable: glibc.malloc.arena_max
     This tunable supersedes the ‘MALLOC_ARENA_MAX’ environment variable
     and is identical in features.

     This tunable sets the number of arenas to use in a process
     regardless of the number of cores in the system.

     The default value of this tunable is ‘0’, meaning that the limit on
     the number of arenas is determined by the number of CPU cores
     online.  For 32-bit systems the limit is twice the number of cores
     online and on 64-bit systems, it is 8 times the number of cores
     online.

 -- Tunable: glibc.malloc.tcache_max
     The maximum size of a request (in bytes) which may be met via the
     per-thread cache.  The default (and maximum) value is 1032 bytes on
     64-bit systems and 516 bytes on 32-bit systems.

 -- Tunable: glibc.malloc.tcache_count
     The maximum number of chunks of each size to cache.  The default is
     7.  The upper limit is 65535.  If set to zero, the per-thread cache
     is effectively disabled.

     The approximate maximum overhead of the per-thread cache is thus
     equal to the number of bins times the chunk count in each bin times
     the size of each chunk.  With defaults, the approximate maximum
     overhead of the per-thread cache is approximately 236 KB on 64-bit
     systems and 118 KB on 32-bit systems.

 -- Tunable: glibc.malloc.tcache_unsorted_limit
     When the user requests memory and the request cannot be met via the
     per-thread cache, the arenas are used to meet the request.  At this
     time, additional chunks will be moved from existing arena lists to
     pre-fill the corresponding cache.  While copies from the fastbins,
     smallbins, and regular bins are bounded and predictable due to the
     bin sizes, copies from the unsorted bin are not bounded, and incur
     additional time penalties as they need to be sorted as they're
     scanned.  To make scanning the unsorted list more predictable and
     bounded, the user may set this tunable to limit the number of
     chunks that are scanned from the unsorted list while searching for
     chunks to pre-fill the per-thread cache with.  The default, or when
     set to zero, is no limit.

 -- Tunable: glibc.malloc.mxfast
     One of the optimizations ‘malloc’ uses is to maintain a series of
     "fast bins" that hold chunks up to a specific size.  The default
     and maximum size which may be held this way is 80 bytes on 32-bit
     systems or 160 bytes on 64-bit systems.  Applications which value
     size over speed may choose to reduce the size of requests which are
     serviced from fast bins with this tunable.  Note that the value
     specified includes ‘malloc’'s internal overhead, which is normally
     the size of one pointer, so add 4 on 32-bit systems or 8 on 64-bit
     systems to the size passed to ‘malloc’ for the largest bin size to
     enable.

 -- Tunable: glibc.malloc.hugetlb
     This tunable controls the usage of Huge Pages on ‘malloc’ calls.
     The default value is ‘0’, which disables any additional support on
     ‘malloc’.

     Setting its value to ‘1’ enables the use of ‘madvise’ with
     ‘MADV_HUGEPAGE’ after memory allocation with ‘mmap’.  It is enabled
     only if the system supports Transparent Huge Page (currently only
     on Linux).

     Setting its value to ‘2’ enables the use of Huge Page directly with
     ‘mmap’ with the use of ‘MAP_HUGETLB’ flag.  The huge page size to
     use will be the default one provided by the system.  A value larger
     than ‘2’ specifies huge page size, which will be matched against
     the system supported ones.  If provided value is invalid,
     ‘MAP_HUGETLB’ will not be used.


File: libc.info,  Node: Dynamic Linking Tunables,  Next: POSIX Thread Tunables,  Prev: Memory Allocation Tunables,  Up: Tunables

39.3 Dynamic Linking Tunables
=============================

 -- Tunable namespace: glibc.rtld
     Dynamic linker behavior can be modified by setting the following
     tunables in the ‘rtld’ namespace:

 -- Tunable: glibc.rtld.nns
     Sets the number of supported dynamic link namespaces (see
     ‘dlmopen’).  Currently this limit can be set between 1 and 16
     inclusive, the default is 4.  Each link namespace consumes some
     memory in all thread, and thus raising the limit will increase the
     amount of memory each thread uses.  Raising the limit is useful
     when your application uses more than 4 dynamic link namespaces as
     created by ‘dlmopen’ with an lmid argument of ‘LM_ID_NEWLM’.
     Dynamic linker audit modules are loaded in their own dynamic link
     namespaces, but they are not accounted for in ‘glibc.rtld.nns’.
     They implicitly increase the per-thread memory usage as necessary,
     so this tunable does not need to be changed to allow many audit
     modules e.g.  via ‘LD_AUDIT’.

 -- Tunable: glibc.rtld.optional_static_tls
     Sets the amount of surplus static TLS in bytes to allocate at
     program startup.  Every thread created allocates this amount of
     specified surplus static TLS. This is a minimum value and
     additional space may be allocated for internal purposes including
     alignment.  Optional static TLS is used for optimizing dynamic TLS
     access for platforms that support such optimizations e.g.  TLS
     descriptors or optimized TLS access for POWER (‘DT_PPC64_OPT’ and
     ‘DT_PPC_OPT’).  In order to make the best use of such optimizations
     the value should be as many bytes as would be required to hold all
     TLS variables in all dynamic loaded shared libraries.  The value
     cannot be known by the dynamic loader because it doesn't know the
     expected set of shared libraries which will be loaded.  The
     existing static TLS space cannot be changed once allocated at
     process startup.  The default allocation of optional static TLS is
     512 bytes and is allocated in every thread.

 -- Tunable: glibc.rtld.dynamic_sort
     Sets the algorithm to use for DSO sorting, valid values are ‘1’ and
     ‘2’.  For value of ‘1’, an older O(n^3) algorithm is used, which is
     long time tested, but may have performance issues when dependencies
     between shared objects contain cycles due to circular dependencies.
     When set to the value of ‘2’, a different algorithm is used, which
     implements a topological sort through depth-first search, and does
     not exhibit the performance issues of ‘1’.

     The default value of this tunable is ‘2’.

 -- Tunable: glibc.rtld.enable_secure
     Used to run a program as if it were a setuid process.  The only
     valid value is ‘1’ as this tunable can only be used to set and not
     unset ‘enable_secure’.  Setting this tunable to ‘1’ also disables
     all other tunables.  This tunable is intended to facilitate more
     extensive verification tests for ‘AT_SECURE’ programs and not meant
     to be a security feature.

     The default value of this tunable is ‘0’.

 -- Tunable: glibc.rtld.execstack
     The GNU C Library will use either the default architecture ABI
     flags (that might contain the executable bit) or the value of
     ‘PT_GNU_STACK’ (if present) to define whether to mark the stack
     non-executable and if the program or any shared library dependency
     requires an executable stack the loader will change the main stack
     permission if kernel starts with a non-executable stack.

     The ‘glibc.rtld.execstack’ can be used to control whether an
     executable stack is allowed from the main program.  Setting the
     value to ‘0’ disables the ABI auto-negotiation (meaning no
     executable stacks even if the ABI or ELF header requires it), ‘1’
     enables auto-negotiation (although the program might not need an
     executable stack), while ‘2’ forces an executable stack at process
     start.  This is provided for compatibility reasons, when the
     program dynamically loads modules with ‘dlopen’ which require an
     executable stack.

     When executable stacks are not allowed, and if the main program
     requires it, the loader will fail with an error message.

     Some systems do not have separate page protection flags at the
     hardware level for read access and execute access (sometimes called
     read-implies-exec).  This mode can also be enabled on certain
     systems where the hardware supports separate protection flags.  The
     the GNU C Library tunable configuration is independent of hardware
     capabilities and kernel configuration.

     *NB:* Trying to load a dynamic shared library with ‘dlopen’ or
     ‘dlmopen’ that requires an executable stack will always fail if the
     main program does not require an executable stack at loading time.
     This can be worked around by setting the tunable to ‘2’, where the
     stack is always executable.


File: libc.info,  Node: POSIX Thread Tunables,  Next: Hardware Capability Tunables,  Prev: Dynamic Linking Tunables,  Up: Tunables

39.4 POSIX Thread Tunables
==========================

 -- Tunable namespace: glibc.pthread
     The behavior of POSIX threads can be tuned to gain performance
     improvements according to specific hardware capabilities and
     workload characteristics by setting the following tunables in the
     ‘pthread’ namespace:

 -- Tunable: glibc.pthread.mutex_spin_count
     The ‘glibc.pthread.mutex_spin_count’ tunable sets the maximum
     number of times a thread should spin on the lock before calling
     into the kernel to block.  Adaptive spin is used for mutexes
     initialized with the ‘PTHREAD_MUTEX_ADAPTIVE_NP’ GNU extension.  It
     affects both ‘pthread_mutex_lock’ and ‘pthread_mutex_timedlock’.

     The thread spins until either the maximum spin count is reached or
     the lock is acquired.

     The default value of this tunable is ‘100’.

 -- Tunable: glibc.pthread.stack_cache_size
     This tunable configures the maximum size of the stack cache.  Once
     the stack cache exceeds this size, unused thread stacks are
     returned to the kernel, to bring the cache size below this limit.

     The value is measured in bytes.  The default is ‘41943040’ (forty
     mibibytes).

 -- Tunable: glibc.pthread.rseq
     The ‘glibc.pthread.rseq’ tunable can be set to ‘0’, to disable
     restartable sequences support in the GNU C Library.  This enables
     applications to perform direct restartable sequence registration
     with the kernel.  The default is ‘1’, which means that the GNU C
     Library performs registration on behalf of the application.

     Restartable sequences are a Linux-specific extension.

 -- Tunable: glibc.pthread.stack_hugetlb
     This tunable controls whether to use Huge Pages in the stacks
     created by ‘pthread_create’.  This tunable only affects the stacks
     created by the GNU C Library, it has no effect on stack assigned
     with ‘pthread_attr_setstack’.

     The default is ‘1’ where the system default value is used.  Setting
     its value to ‘0’ enables the use of ‘madvise’ with
     ‘MADV_NOHUGEPAGE’ after stack creation with ‘mmap’.

     This is a memory utilization optimization, since internal glibc
     setup of either the thread descriptor and the guard page might
     force the kernel to move the thread stack originally backup by Huge
     Pages to default pages.


File: libc.info,  Node: Hardware Capability Tunables,  Next: Memory Related Tunables,  Prev: POSIX Thread Tunables,  Up: Tunables

39.5 Hardware Capability Tunables
=================================

 -- Tunable namespace: glibc.cpu
     Behavior of the GNU C Library can be tuned to assume specific
     hardware capabilities by setting the following tunables in the
     ‘cpu’ namespace:

 -- Tunable: glibc.cpu.hwcaps
     The ‘glibc.cpu.hwcaps=-xxx,yyy,-zzz...’ tunable allows the user to
     enable CPU/ARCH feature ‘yyy’, disable CPU/ARCH feature ‘xxx’ and
     ‘zzz’ where the feature name is case-sensitive and has to match the
     ones in ‘sysdeps/x86/include/cpu-features.h’.

     On s390x, the supported HWCAP and STFLE features can be found in
     ‘sysdeps/s390/cpu-features.c’.  In addition the user can also set a
     CPU arch-level like ‘z13’ instead of single HWCAP and STFLE
     features.

     On powerpc, the supported HWCAP and HWCAP2 features can be found in
     ‘sysdeps/powerpc/dl-procinfo.c’.

     On loongarch, the supported HWCAP features can be found in
     ‘sysdeps/loongarch/cpu-tunables.c’.

     This tunable is specific to i386, x86-64, s390x, powerpc and
     loongarch.

 -- Tunable: glibc.cpu.cached_memopt
     The ‘glibc.cpu.cached_memopt=[0|1]’ tunable allows the user to
     enable optimizations recommended for cacheable memory.  If set to
     ‘1’, the GNU C Library assumes that the process memory image
     consists of cacheable (non-device) memory only.  The default, ‘0’,
     indicates that the process may use device memory.

     This tunable is specific to powerpc, powerpc64 and powerpc64le.

 -- Tunable: glibc.cpu.name
     The ‘glibc.cpu.name=xxx’ tunable allows the user to tell the GNU C
     Library to assume that the CPU is ‘xxx’ where xxx may have one of
     these values: ‘generic’, ‘thunderxt88’, ‘thunderx2t99’,
     ‘thunderx2t99p1’, ‘ares’, ‘emag’, ‘kunpeng’, ‘a64fx’.

     This tunable is specific to aarch64.

 -- Tunable: glibc.cpu.x86_data_cache_size
     The ‘glibc.cpu.x86_data_cache_size’ tunable allows the user to set
     data cache size in bytes for use in memory and string routines.

     This tunable is specific to i386 and x86-64.

 -- Tunable: glibc.cpu.x86_shared_cache_size
     The ‘glibc.cpu.x86_shared_cache_size’ tunable allows the user to
     set shared cache size in bytes for use in memory and string
     routines.

 -- Tunable: glibc.cpu.x86_non_temporal_threshold
     The ‘glibc.cpu.x86_non_temporal_threshold’ tunable allows the user
     to set threshold in bytes for non temporal store.  Non temporal
     stores give a hint to the hardware to move data directly to memory
     without displacing other data from the cache.  This tunable is used
     by some platforms to determine when to use non temporal stores in
     operations like memmove and memcpy.

     This tunable is specific to i386 and x86-64.

 -- Tunable: glibc.cpu.x86_memset_non_temporal_threshold
     The ‘glibc.cpu.x86_memset_non_temporal_threshold’ tunable allows
     the user to set threshold in bytes for non temporal store in
     memset.  Non temporal stores give a hint to the hardware to move
     data directly to memory without displacing other data from the
     cache.  This tunable is used by some platforms to determine when to
     use non temporal stores memset.

     This tunable is specific to i386 and x86-64.

 -- Tunable: glibc.cpu.x86_rep_movsb_threshold
     The ‘glibc.cpu.x86_rep_movsb_threshold’ tunable allows the user to
     set threshold in bytes to start using "rep movsb".  The value must
     be greater than zero, and currently defaults to 2048 bytes.

     This tunable is specific to i386 and x86-64.

 -- Tunable: glibc.cpu.x86_rep_stosb_threshold
     The ‘glibc.cpu.x86_rep_stosb_threshold’ tunable allows the user to
     set threshold in bytes to start using "rep stosb".  The value must
     be greater than zero, and currently defaults to 2048 bytes.

     This tunable is specific to i386 and x86-64.

 -- Tunable: glibc.cpu.x86_ibt
     The ‘glibc.cpu.x86_ibt’ tunable allows the user to control how
     indirect branch tracking (IBT) should be enabled.  Accepted values
     are ‘on’, ‘off’, and ‘permissive’.  ‘on’ always turns on IBT
     regardless of whether IBT is enabled in the executable and its
     dependent shared libraries.  ‘off’ always turns off IBT regardless
     of whether IBT is enabled in the executable and its dependent
     shared libraries.  ‘permissive’ is the same as the default which
     disables IBT on non-CET executables and shared libraries.

     This tunable is specific to i386 and x86-64.

 -- Tunable: glibc.cpu.x86_shstk
     The ‘glibc.cpu.x86_shstk’ tunable allows the user to control how
     the shadow stack (SHSTK) should be enabled.  Accepted values are
     ‘on’, ‘off’, and ‘permissive’.  ‘on’ always turns on SHSTK
     regardless of whether SHSTK is enabled in the executable and its
     dependent shared libraries.  ‘off’ always turns off SHSTK
     regardless of whether SHSTK is enabled in the executable and its
     dependent shared libraries.  ‘permissive’ changes how dlopen works
     on non-CET shared libraries.  By default, when SHSTK is enabled,
     dlopening a non-CET shared library returns an error.  With
     ‘permissive’, it turns off SHSTK instead.

     This tunable is specific to i386 and x86-64.

 -- Tunable: glibc.cpu.prefer_map_32bit_exec
     When this tunable is set to ‘1’, shared libraries of non-setuid
     programs will be loaded below 2GB with MAP_32BIT.

     Note that the ‘LD_PREFER_MAP_32BIT_EXEC’ environment is an alias of
     this tunable.

     This tunable is specific to 64-bit x86-64.

 -- Tunable: glibc.cpu.plt_rewrite
     When this tunable is set to ‘1’, the dynamic linker will rewrite
     the PLT section with 32-bit direct jump.  When it is set to ‘2’,
     the dynamic linker will rewrite the PLT section with 32-bit direct
     jump and on APX processors with 64-bit absolute jump.

     This tunable is specific to x86-64 and effective only when the lazy
     binding is disabled.

 -- Tunable: glibc.cpu.aarch64_bti
     This tunable controls Branch Target Identification (BTI) handling
     for the process.  This handling is implemented via protecting the
     memory mapping with ‘PROT_BTI’ for modules that are marked with the
     appropriate ELF property ‘GNU_PROPERTY_AARCH64_FEATURE_1_BTI’ (see
     Program Loading in
     <https://github.com/ARM-software/abi-aa/blob/main/sysvabi64/sysvabi64.rst>).

     Accepted values are:

     0 = permissive: BTI protection is enabled only for modules that
     have BTI marking (default).

     1 = enforced: if a module that does not have BTI marking is loaded,
     it is an error (either a process abort or a ‘dlopen’ error if this
     binary is loaded via ‘dlopen’).

 -- Tunable: glibc.cpu.aarch64_gcs
     This tunable controls Guarded Control Stack (GCS) for the process.

     Accepted values are:

     0 = disabled: do not enable GCS.

     1 = enforced: check markings and fail if any binary is not marked.

     2 = optional: check markings but keep GCS off if any binary is
     unmarked.

     3 = override: enable GCS, markings are ignored.

     If unmarked binary is loaded via ‘dlopen’ when GCS is enabled and
     markings are not ignored (‘aarch64_gcs == 1’ or ‘2’), then the
     process will be aborted.

     Default is ‘0’, so GCS is disabled by default.

     This tunable is specific to AArch64.  On systems that do not
     support Guarded Control Stack this tunable has no effect.

     Before enabling GCS for the process the value of this tunable is
     checked and depending on it the following outcomes are possible.

     ‘aarch64_gcs == 0’: GCS will not be enabled and GCS markings will
     not be checked for any binaries.

     ‘aarch64_gcs == 1’: GCS markings will be checked for all binaries
     loaded at startup and, only if all binaries are GCS-marked, GCS
     will be enabled.  If any of the binaries are not GCS-marked, the
     process will abort.  Subsequent call to ‘dlopen’ for an unmarked
     binary will also result in abort.

     ‘aarch64_gcs == 2’: GCS markings will be checked for all binaries
     loaded at startup and, if any of such binaries are not GCS-marked,
     GCS will not be enabled and there will be no more checks for GCS
     marking.  If all binaries loaded at startup are GCS-marked, then
     GCS will be enabled, in which case a call to ‘dlopen’ for an
     unmarked binary will also result in abort.

     ‘aarch64_gcs == 3’: GCS will be enabled and GCS markings will not
     be checked for any binaries.


File: libc.info,  Node: Memory Related Tunables,  Next: gmon Tunables,  Prev: Hardware Capability Tunables,  Up: Tunables

39.6 Memory Related Tunables
============================

 -- Tunable namespace: glibc.mem
     This tunable namespace supports operations that affect the way the
     GNU C Library and the process manage memory.

 -- Tunable: glibc.mem.tagging
     If the hardware supports memory tagging, this tunable can be used
     to control the way the GNU C Library uses this feature.  At present
     this is only supported on AArch64 systems with the MTE extension;
     it is ignored for all other systems.

     This tunable takes a value between 0 and 255 and acts as a bitmask
     that enables various capabilities.

     Bit 0 (the least significant bit) causes the ‘malloc’ subsystem to
     allocate tagged memory, with each allocation being assigned a
     random tag.

     Bit 1 enables precise faulting mode for tag violations on systems
     that support deferred tag violation reporting.  This may cause
     programs to run more slowly.

     Bit 2 enables either precise or deferred faulting mode for tag
     violations whichever is preferred by the system.

     Other bits are currently reserved.

     The GNU C Library startup code will automatically enable memory
     tagging support in the kernel if this tunable has any non-zero
     value.

     The default value is ‘0’, which disables all memory tagging.

 -- Tunable: glibc.mem.decorate_maps
     If the kernel supports naming anonymous virtual memory areas (since
     Linux version 5.17, although not always enabled by some kernel
     configurations), this tunable can be used to control whether the
     GNU C Library decorates the underlying memory obtained from
     operating system with a string describing its usage (for instance,
     on the thread stack created by ‘pthread_create’ or memory allocated
     by ‘malloc’).

     The process mappings can be obtained by reading the
     ‘/proc/<pid>maps’ (with ‘pid’ being either the “process ID” or
     ‘self’ for the process own mapping).

     This tunable takes a value of 0 and 1, where 1 enables the feature.
     The default value is ‘0’, which disables the decoration.


File: libc.info,  Node: gmon Tunables,  Prev: Memory Related Tunables,  Up: Tunables

39.7 gmon Tunables
==================

 -- Tunable namespace: glibc.gmon
     This tunable namespace affects the behaviour of the gmon profiler.
     gmon is a component of the GNU C Library which is normally used in
     conjunction with gprof.

     When GCC compiles a program with the ‘-pg’ option, it instruments
     the program with calls to the ‘mcount’ function, to record the
     program's call graph.  At program startup, a memory buffer is
     allocated to store this call graph; the size of the buffer is
     calculated using a heuristic based on code size.  If during
     execution, the buffer is found to be too small, profiling will be
     aborted and no ‘gmon.out’ file will be produced.  In that case, you
     will see the following message printed to standard error:

          mcount: call graph buffer size limit exceeded, gmon.out will not be generated

     Most of the symbols discussed in this section are defined in the
     header ‘sys/gmon.h’.  However, some symbols (for example ‘mcount’)
     are not defined in any header file, since they are only intended to
     be called from code generated by the compiler.

 -- Tunable: glibc.mem.minarcs
     The heuristic for sizing the call graph buffer is known to be
     insufficient for small programs; hence, the calculated value is
     clamped to be at least a minimum size.  The default minimum (in
     units of call graph entries, ‘struct tostruct’), is given by the
     macro ‘MINARCS’.  If you have some program with an unusually
     complex call graph, for which the heuristic fails to allocate
     enough space, you can use this tunable to increase the minimum to a
     larger value.

 -- Tunable: glibc.mem.maxarcs
     To prevent excessive memory consumption when profiling very large
     programs, the call graph buffer is allowed to have a maximum of
     ‘MAXARCS’ entries.  For some very large programs, the default value
     of ‘MAXARCS’ defined in ‘sys/gmon.h’ is too small; in that case,
     you can use this tunable to increase it.

     Note the value of the ‘maxarcs’ tunable must be greater or equal to
     that of the ‘minarcs’ tunable; if this constraint is violated, a
     warning will printed to standard error at program startup, and the
     ‘minarcs’ value will be used as the maximum as well.

     Setting either tunable too high may result in a call graph buffer
     whose size exceeds the available memory; in that case, an out of
     memory error will be printed at program startup, the profiler will
     be disabled, and no ‘gmon.out’ file will be generated.


File: libc.info,  Node: Language Features,  Next: Library Summary,  Prev: Tunables,  Up: Top

Appendix A C Language Facilities in the Library
***********************************************

Some of the facilities implemented by the C library really should be
thought of as parts of the C language itself.  These facilities ought to
be documented in the C Language Manual, not in the library manual; but
since we don't have the language manual yet, and documentation for these
features has been written, we are publishing it here.

* Menu:

* Consistency Checking::        Using ‘assert’ to abort if
				 something "impossible" happens.
* Variadic Functions::          Defining functions with varying numbers
                                 of args.
* Null Pointer Constant::       The macro ‘NULL’.
* Important Data Types::        Data types for object sizes.
* Data Type Measurements::      Parameters of data type representations.


File: libc.info,  Node: Consistency Checking,  Next: Variadic Functions,  Up: Language Features

A.1 Explicitly Checking Internal Consistency
============================================

When you're writing a program, it's often a good idea to put in checks
at strategic places for "impossible" errors or violations of basic
assumptions.  These kinds of checks are helpful in debugging problems
with the interfaces between different parts of the program, for example.

   The ‘assert’ macro, defined in the header file ‘assert.h’, provides a
convenient way to abort the program while printing a message about where
in the program the error was detected.

   Once you think your program is debugged, you can disable the error
checks performed by the ‘assert’ macro by recompiling with the macro
‘NDEBUG’ defined.  This means you don't actually have to change the
program source code to disable these checks.

   But disabling these consistency checks is undesirable unless they
make the program significantly slower.  All else being equal, more error
checking is good no matter who is running the program.  A wise user
would rather have a program crash, visibly, than have it return nonsense
without indicating anything might be wrong.

 -- Macro: void assert (int EXPRESSION)

     Preliminary: | MT-Safe | AS-Unsafe heap corrupt | AC-Unsafe mem
     lock corrupt | *Note POSIX Safety Concepts::.

     Verify the programmer's belief that EXPRESSION is nonzero at this
     point in the program.

     If ‘NDEBUG’ is not defined, ‘assert’ tests the value of EXPRESSION.
     If it is false (zero), ‘assert’ aborts the program (*note Aborting
     a Program::) after printing a message of the form:

          FILE:LINENUM: FUNCTION: Assertion `EXPRESSION' failed.

     on the standard error stream ‘stderr’ (*note Standard Streams::).
     The filename and line number are taken from the C preprocessor
     macros ‘__FILE__’ and ‘__LINE__’ and specify where the call to
     ‘assert’ was made.  When using the GNU C compiler, the name of the
     function which calls ‘assert’ is taken from the built-in variable
     ‘__PRETTY_FUNCTION__’; with older compilers, the function name and
     following colon are omitted.

     If the preprocessor macro ‘NDEBUG’ is defined before ‘assert.h’ is
     included, the ‘assert’ macro is defined to do absolutely nothing.

     *Warning:* Even the argument expression EXPRESSION is not evaluated
     if ‘NDEBUG’ is in effect.  So never use ‘assert’ with arguments
     that involve side effects.  For example, ‘assert (++i > 0);’ is a
     bad idea, because ‘i’ will not be incremented if ‘NDEBUG’ is
     defined.

   Sometimes the "impossible" condition you want to check for is an
error return from an operating system function.  Then it is useful to
display not only where the program crashes, but also what error was
returned.  The ‘assert_perror’ macro makes this easy.

 -- Macro: void assert_perror (int ERRNUM)

     Preliminary: | MT-Safe | AS-Unsafe heap corrupt | AC-Unsafe mem
     lock corrupt | *Note POSIX Safety Concepts::.

     Similar to ‘assert’, but verifies that ERRNUM is zero.

     If ‘NDEBUG’ is not defined, ‘assert_perror’ tests the value of
     ERRNUM.  If it is nonzero, ‘assert_perror’ aborts the program after
     printing a message of the form:

          FILE:LINENUM: FUNCTION: ERROR TEXT

     on the standard error stream.  The file name, line number, and
     function name are as for ‘assert’.  The error text is the result of
     ‘strerror (ERRNUM)’.  *Note Error Messages::.

     Like ‘assert’, if ‘NDEBUG’ is defined before ‘assert.h’ is
     included, the ‘assert_perror’ macro does absolutely nothing.  It
     does not evaluate the argument, so ERRNUM should not have any side
     effects.  It is best for ERRNUM to be just a simple variable
     reference; often it will be ‘errno’.

     This macro is a GNU extension.

   *Usage note:* The ‘assert’ facility is designed for detecting
_internal inconsistency_; it is not suitable for reporting invalid input
or improper usage by the _user_ of the program.

   The information in the diagnostic messages printed by the ‘assert’
and ‘assert_perror’ macro is intended to help you, the programmer, track
down the cause of a bug, but is not really useful for telling a user of
your program why his or her input was invalid or why a command could not
be carried out.  What's more, your program should not abort when given
invalid input, as ‘assert’ would do--it should exit with nonzero status
(*note Exit Status::) after printing its error messages, or perhaps read
another command or move on to the next input file.

   *Note Error Messages::, for information on printing error messages
for problems that _do not_ represent bugs in the program.


File: libc.info,  Node: Variadic Functions,  Next: Null Pointer Constant,  Prev: Consistency Checking,  Up: Language Features

A.2 Variadic Functions
======================

ISO C defines a syntax for declaring a function to take a variable
number or type of arguments.  (Such functions are referred to as
“varargs functions” or “variadic functions”.)  However, the language
itself provides no mechanism for such functions to access their
non-required arguments; instead, you use the variable arguments macros
defined in ‘stdarg.h’.

   This section describes how to declare variadic functions, how to
write them, and how to call them properly.

   *Compatibility Note:* Many older C dialects provide a similar, but
incompatible, mechanism for defining functions with variable numbers of
arguments, using ‘varargs.h’.

* Menu:

* Why Variadic::                Reasons for making functions take
                                 variable arguments.
* How Variadic::                How to define and call variadic functions.
* Variadic Example::            A complete example.


File: libc.info,  Node: Why Variadic,  Next: How Variadic,  Up: Variadic Functions

A.2.1 Why Variadic Functions are Used
-------------------------------------

Ordinary C functions take a fixed number of arguments.  When you define
a function, you specify the data type for each argument.  Every call to
the function should supply the expected number of arguments, with types
that can be converted to the specified ones.  Thus, if the function
‘foo’ is declared with ‘int foo (int, char *);’ then you must call it
with two arguments, a number (any kind will do) and a string pointer.

   But some functions perform operations that can meaningfully accept an
unlimited number of arguments.

   In some cases a function can handle any number of values by operating
on all of them as a block.  For example, consider a function that
allocates a one-dimensional array with ‘malloc’ to hold a specified set
of values.  This operation makes sense for any number of values, as long
as the length of the array corresponds to that number.  Without
facilities for variable arguments, you would have to define a separate
function for each possible array size.

   The library function ‘printf’ (*note Formatted Output::) is an
example of another class of function where variable arguments are
useful.  This function prints its arguments (which can vary in type as
well as number) under the control of a format template string.

   These are good reasons to define a “variadic” function which can
handle as many arguments as the caller chooses to pass.

   Some functions such as ‘open’ take a fixed set of arguments, but
occasionally ignore the last few.  Strict adherence to ISO C requires
these functions to be defined as variadic; in practice, however, the GNU
C compiler and most other C compilers let you define such a function to
take a fixed set of arguments--the most it can ever use--and then only
_declare_ the function as variadic (or not declare its arguments at
all!).


File: libc.info,  Node: How Variadic,  Next: Variadic Example,  Prev: Why Variadic,  Up: Variadic Functions

A.2.2 How Variadic Functions are Defined and Used
-------------------------------------------------

Defining and using a variadic function involves three steps:

   • _Define_ the function as variadic, using an ellipsis (‘...’) in the
     argument list, and using special macros to access the variable
     arguments.  *Note Receiving Arguments::.

   • _Declare_ the function as variadic, using a prototype with an
     ellipsis (‘...’), in all the files which call it.  *Note Variadic
     Prototypes::.

   • _Call_ the function by writing the fixed arguments followed by the
     additional variable arguments.  *Note Calling Variadics::.

* Menu:

* Variadic Prototypes::  How to make a prototype for a function
			  with variable arguments.
* Receiving Arguments::  Steps you must follow to access the
			  optional argument values.
* How Many Arguments::   How to decide whether there are more arguments.
* Calling Variadics::    Things you need to know about calling
			  variable arguments functions.
* Argument Macros::      Detailed specification of the macros
        		  for accessing variable arguments.


File: libc.info,  Node: Variadic Prototypes,  Next: Receiving Arguments,  Up: How Variadic

A.2.2.1 Syntax for Variable Arguments
.....................................

A function that accepts a variable number of arguments must be declared
with a prototype that says so.  You write the fixed arguments as usual,
and then tack on ‘...’ to indicate the possibility of additional
arguments.  The syntax of ISO C requires at least one fixed argument
before the ‘...’.  For example,

     int
     func (const char *a, int b, ...)
     {
       ...
     }

defines a function ‘func’ which returns an ‘int’ and takes two required
arguments, a ‘const char *’ and an ‘int’.  These are followed by any
number of anonymous arguments.

   *Portability note:* For some C compilers, the last required argument
must not be declared ‘register’ in the function definition.
Furthermore, this argument's type must be “self-promoting”: that is, the
default promotions must not change its type.  This rules out array and
function types, as well as ‘float’, ‘char’ (whether signed or not) and
‘short int’ (whether signed or not).  This is actually an ISO C
requirement.


File: libc.info,  Node: Receiving Arguments,  Next: How Many Arguments,  Prev: Variadic Prototypes,  Up: How Variadic

A.2.2.2 Receiving the Argument Values
.....................................

Ordinary fixed arguments have individual names, and you can use these
names to access their values.  But optional arguments have no
names--nothing but ‘...’.  How can you access them?

   The only way to access them is sequentially, in the order they were
written, and you must use special macros from ‘stdarg.h’ in the
following three step process:

  1. You initialize an argument pointer variable of type ‘va_list’ using
     ‘va_start’.  The argument pointer when initialized points to the
     first optional argument.

  2. You access the optional arguments by successive calls to ‘va_arg’.
     The first call to ‘va_arg’ gives you the first optional argument,
     the next call gives you the second, and so on.

     You can stop at any time if you wish to ignore any remaining
     optional arguments.  It is perfectly all right for a function to
     access fewer arguments than were supplied in the call, but you will
     get garbage values if you try to access too many arguments.

  3. You indicate that you are finished with the argument pointer
     variable by calling ‘va_end’.

     (In practice, with most C compilers, calling ‘va_end’ does nothing.
     This is always true in the GNU C compiler.  But you might as well
     call ‘va_end’ just in case your program is someday compiled with a
     peculiar compiler.)

   *Note Argument Macros::, for the full definitions of ‘va_start’,
‘va_arg’ and ‘va_end’.

   Steps 1 and 3 must be performed in the function that accepts the
optional arguments.  However, you can pass the ‘va_list’ variable as an
argument to another function and perform all or part of step 2 there.

   You can perform the entire sequence of three steps multiple times
within a single function invocation.  If you want to ignore the optional
arguments, you can do these steps zero times.

   You can have more than one argument pointer variable if you like.
You can initialize each variable with ‘va_start’ when you wish, and then
you can fetch arguments with each argument pointer as you wish.  Each
argument pointer variable will sequence through the same set of argument
values, but at its own pace.

   *Portability note:* With some compilers, once you pass an argument
pointer value to a subroutine, you must not keep using the same argument
pointer value after that subroutine returns.  For full portability, you
should just pass it to ‘va_end’.  This is actually an ISO C requirement,
but most ANSI C compilers work happily regardless.


File: libc.info,  Node: How Many Arguments,  Next: Calling Variadics,  Prev: Receiving Arguments,  Up: How Variadic

A.2.2.3 How Many Arguments Were Supplied
........................................

There is no general way for a function to determine the number and type
of the optional arguments it was called with.  So whoever designs the
function typically designs a convention for the caller to specify the
number and type of arguments.  It is up to you to define an appropriate
calling convention for each variadic function, and write all calls
accordingly.

   One kind of calling convention is to pass the number of optional
arguments as one of the fixed arguments.  This convention works provided
all of the optional arguments are of the same type.

   A similar alternative is to have one of the required arguments be a
bit mask, with a bit for each possible purpose for which an optional
argument might be supplied.  You would test the bits in a predefined
sequence; if the bit is set, fetch the value of the next argument,
otherwise use a default value.

   A required argument can be used as a pattern to specify both the
number and types of the optional arguments.  The format string argument
to ‘printf’ is one example of this (*note Formatted Output Functions::).

   Another possibility is to pass an "end marker" value as the last
optional argument.  For example, for a function that manipulates an
arbitrary number of pointer arguments, a null pointer might indicate the
end of the argument list.  (This assumes that a null pointer isn't
otherwise meaningful to the function.)  The ‘execl’ function works in
just this way; see *note Executing a File::.


File: libc.info,  Node: Calling Variadics,  Next: Argument Macros,  Prev: How Many Arguments,  Up: How Variadic

A.2.2.4 Calling Variadic Functions
..................................

You don't have to do anything special to call a variadic function.  Just
put the arguments (required arguments, followed by optional ones) inside
parentheses, separated by commas, as usual.  But you must declare the
function with a prototype and know how the argument values are
converted.

   In principle, functions that are _defined_ to be variadic must also
be _declared_ to be variadic using a function prototype whenever you
call them.  (*Note Variadic Prototypes::, for how.)  This is because
some C compilers use a different calling convention to pass the same set
of argument values to a function depending on whether that function
takes variable arguments or fixed arguments.

   In practice, the GNU C compiler always passes a given set of argument
types in the same way regardless of whether they are optional or
required.  So, as long as the argument types are self-promoting, you can
safely omit declaring them.  Usually it is a good idea to declare the
argument types for variadic functions, and indeed for all functions.
But there are a few functions which it is extremely convenient not to
have to declare as variadic--for example, ‘open’ and ‘printf’.

   Since the prototype doesn't specify types for optional arguments, in
a call to a variadic function the “default argument promotions” are
performed on the optional argument values.  This means the objects of
type ‘char’ or ‘short int’ (whether signed or not) are promoted to
either ‘int’ or ‘unsigned int’, as appropriate; and that objects of type
‘float’ are promoted to type ‘double’.  So, if the caller passes a
‘char’ as an optional argument, it is promoted to an ‘int’, and the
function can access it with ‘va_arg (AP, int)’.

   Conversion of the required arguments is controlled by the function
prototype in the usual way: the argument expression is converted to the
declared argument type as if it were being assigned to a variable of
that type.


File: libc.info,  Node: Argument Macros,  Prev: Calling Variadics,  Up: How Variadic

A.2.2.5 Argument Access Macros
..............................

Here are descriptions of the macros used to retrieve variable arguments.
These macros are defined in the header file ‘stdarg.h’.

 -- Data Type: va_list

     The type ‘va_list’ is used for argument pointer variables.

 -- Macro: void va_start (va_list AP, LAST-REQUIRED)

     Preliminary: | MT-Safe | AS-Safe | AC-Safe | *Note POSIX Safety
     Concepts::.

     This macro initializes the argument pointer variable AP to point to
     the first of the optional arguments of the current function;
     LAST-REQUIRED must be the last required argument to the function.

 -- Macro: TYPE va_arg (va_list AP, TYPE)

     Preliminary: | MT-Safe race:ap | AS-Safe | AC-Unsafe corrupt |
     *Note POSIX Safety Concepts::.

     The ‘va_arg’ macro returns the value of the next optional argument,
     and modifies the value of AP to point to the subsequent argument.
     Thus, successive uses of ‘va_arg’ return successive optional
     arguments.

     The type of the value returned by ‘va_arg’ is TYPE as specified in
     the call.  TYPE must be a self-promoting type (not ‘char’ or ‘short
     int’ or ‘float’) that matches the type of the actual argument.

 -- Macro: void va_end (va_list AP)

     Preliminary: | MT-Safe | AS-Safe | AC-Safe | *Note POSIX Safety
     Concepts::.

     This ends the use of AP.  After a ‘va_end’ call, further ‘va_arg’
     calls with the same AP may not work.  You should invoke ‘va_end’
     before returning from the function in which ‘va_start’ was invoked
     with the same AP argument.

     In the GNU C Library, ‘va_end’ does nothing, and you need not ever
     use it except for reasons of portability.

   Sometimes it is necessary to parse the list of parameters more than
once or one wants to remember a certain position in the parameter list.
To do this, one will have to make a copy of the current value of the
argument.  But ‘va_list’ is an opaque type and one cannot necessarily
assign the value of one variable of type ‘va_list’ to another variable
of the same type.

 -- Macro: void va_copy (va_list DEST, va_list SRC)
 -- Macro: void __va_copy (va_list DEST, va_list SRC)

     Preliminary: | MT-Safe | AS-Safe | AC-Safe | *Note POSIX Safety
     Concepts::.

     The ‘va_copy’ macro allows copying of objects of type ‘va_list’
     even if this is not an integral type.  The argument pointer in DEST
     is initialized to point to the same argument as the pointer in SRC.

     ‘va_copy’ was added in ISO C99.  When building for strict
     conformance to ISO C90 (‘gcc -std=c90’), it is not available.  GCC
     provides ‘__va_copy’, as an extension, in any standards mode;
     before GCC 3.0, it was the only macro for this functionality.

     These macros are no longer provided by the GNU C Library, but
     rather by the compiler.

   If you want to use ‘va_copy’ and be portable to pre-C99 systems, you
should always be prepared for the possibility that this macro will not
be available.  On architectures where a simple assignment is invalid,
hopefully ‘va_copy’ _will_ be available, so one should always write
something like this if concerned about pre-C99 portability:

     {
       va_list ap, save;
       ...
     #ifdef va_copy
       va_copy (save, ap);
     #else
       save = ap;
     #endif
       ...
     }


File: libc.info,  Node: Variadic Example,  Prev: How Variadic,  Up: Variadic Functions

A.2.3 Example of a Variadic Function
------------------------------------

Here is a complete sample function that accepts a variable number of
arguments.  The first argument to the function is the count of remaining
arguments, which are added up and the result returned.  While trivial,
this function is sufficient to illustrate how to use the variable
arguments facility.


     #include <stdarg.h>
     #include <stdio.h>

     int
     add_em_up (int count,...)
     {
       va_list ap;
       int i, sum;

       va_start (ap, count);         /* Initialize the argument list. */

       sum = 0;
       for (i = 0; i < count; i++)
         sum += va_arg (ap, int);    /* Get the next argument value. */

       va_end (ap);                  /* Clean up. */
       return sum;
     }

     int
     main (void)
     {
       /* This call prints 16. */
       printf ("%d\n", add_em_up (3, 5, 5, 6));

       /* This call prints 55. */
       printf ("%d\n", add_em_up (10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10));

       return 0;
     }


File: libc.info,  Node: Null Pointer Constant,  Next: Important Data Types,  Prev: Variadic Functions,  Up: Language Features

A.3 Null Pointer Constant
=========================

The null pointer constant is guaranteed not to point to any real object.
You can assign it to any pointer variable since it has type ‘void *’.
The preferred way to write a null pointer constant is with ‘NULL’.

 -- Macro: void * NULL

     This is a null pointer constant.

   You can also use ‘0’ or ‘(void *)0’ as a null pointer constant, but
using ‘NULL’ is cleaner because it makes the purpose of the constant
more evident.

   If you use the null pointer constant as a function argument, then for
complete portability you should make sure that the function has a
prototype declaration.  Otherwise, if the target machine has two
different pointer representations, the compiler won't know which
representation to use for that argument.  You can avoid the problem by
explicitly casting the constant to the proper pointer type, but we
recommend instead adding a prototype for the function you are calling.


File: libc.info,  Node: Important Data Types,  Next: Data Type Measurements,  Prev: Null Pointer Constant,  Up: Language Features

A.4 Important Data Types
========================

The result of subtracting two pointers in C is always an integer, but
the precise data type varies from C compiler to C compiler.  Likewise,
the data type of the result of ‘sizeof’ also varies between compilers.
ISO C defines standard aliases for these two types, so you can refer to
them in a portable fashion.  They are defined in the header file
‘stddef.h’.

 -- Data Type: ptrdiff_t

     This is the signed integer type of the result of subtracting two
     pointers.  For example, with the declaration ‘char *p1, *p2;’, the
     expression ‘p2 - p1’ is of type ‘ptrdiff_t’.  This will probably be
     one of the standard signed integer types (‘short int’, ‘int’ or
     ‘long int’), but might be a nonstandard type that exists only for
     this purpose.

 -- Data Type: size_t

     This is an unsigned integer type used to represent the sizes of
     objects.  The result of the ‘sizeof’ operator is of this type, and
     functions such as ‘malloc’ (*note Unconstrained Allocation::) and
     ‘memcpy’ (*note Copying Strings and Arrays::) accept arguments of
     this type to specify object sizes.  On systems using the GNU C
     Library, this will be ‘unsigned int’ or ‘unsigned long int’.

     *Usage Note:* ‘size_t’ is the preferred way to declare any
     arguments or variables that hold the size of an object.

   *Compatibility Note:* Implementations of C before the advent of ISO C
generally used ‘unsigned int’ for representing object sizes and ‘int’
for pointer subtraction results.  They did not necessarily define either
‘size_t’ or ‘ptrdiff_t’.  Unix systems did define ‘size_t’, in
‘sys/types.h’, but the definition was usually a signed type.


File: libc.info,  Node: Data Type Measurements,  Prev: Important Data Types,  Up: Language Features

A.5 Data Type Measurements
==========================

Most of the time, if you choose the proper C data type for each object
in your program, you need not be concerned with just how it is
represented or how many bits it uses.  When you do need such
information, the C language itself does not provide a way to get it.
The header files ‘limits.h’ and ‘float.h’ contain macros which give you
this information in full detail.

* Menu:

* Width of Type::           How many bits does an integer type hold?
* Range of Type::           What are the largest and smallest values
			     that an integer type can hold?
* Floating Type Macros::    Parameters that measure the floating point types.
* Structure Measurement::   Getting measurements on structure types.


File: libc.info,  Node: Width of Type,  Next: Range of Type,  Up: Data Type Measurements

A.5.1 Width of an Integer Type
------------------------------

TS 18661-1:2014 defines macros for the width of integer types (the
number of value and sign bits).  One benefit of these macros is they can
be used in ‘#if’ preprocessor directives, whereas ‘sizeof’ cannot.  The
following macros are defined in ‘limits.h’.

‘CHAR_WIDTH’
‘SCHAR_WIDTH’
‘UCHAR_WIDTH’
‘SHRT_WIDTH’
‘USHRT_WIDTH’
‘INT_WIDTH’
‘UINT_WIDTH’
‘LONG_WIDTH’
‘ULONG_WIDTH’
‘LLONG_WIDTH’
‘ULLONG_WIDTH’

     These are the widths of the types ‘char’, ‘signed char’, ‘unsigned
     char’, ‘short int’, ‘unsigned short int’, ‘int’, ‘unsigned int’,
     ‘long int’, ‘unsigned long int’, ‘long long int’ and ‘unsigned long
     long int’, respectively.

   Further such macros are defined in ‘stdint.h’.  Apart from those for
types specified by width (*note Integers::), the following are defined:

‘INTPTR_WIDTH’
‘UINTPTR_WIDTH’
‘PTRDIFF_WIDTH’
‘SIG_ATOMIC_WIDTH’
‘SIZE_WIDTH’
‘WCHAR_WIDTH’
‘WINT_WIDTH’

     These are the widths of the types ‘intptr_t’, ‘uintptr_t’,
     ‘ptrdiff_t’, ‘sig_atomic_t’, ‘size_t’, ‘wchar_t’ and ‘wint_t’,
     respectively.

   A common reason that a program needs to know how many bits are in an
integer type is for using an array of ‘unsigned long int’ as a bit
vector.  You can access the bit at index N with:

     vector[N / ULONG_WIDTH] & (1UL << (N % ULONG_WIDTH))

   Before ‘ULONG_WIDTH’ was a part of the C language, ‘CHAR_BIT’ was
used to compute the number of bits in an integer data type.

 -- Macro: int CHAR_BIT

     This is the number of bits in a ‘char’.  POSIX.1-2001 requires this
     to be 8.

   The number of bits in any data type TYPE can be computed like this:

     sizeof (TYPE) * CHAR_BIT

   That expression includes padding bits as well as value and sign bits.
On all systems supported by the GNU C Library, standard integer types
other than ‘_Bool’ do not have any padding bits.

   *Portability Note:* One cannot actually easily compute the number of
usable bits in a portable manner.


File: libc.info,  Node: Range of Type,  Next: Floating Type Macros,  Prev: Width of Type,  Up: Data Type Measurements

A.5.2 Range of an Integer Type
------------------------------

Suppose you need to store an integer value which can range from zero to
one million.  Which is the smallest type you can use?  There is no
general rule; it depends on the C compiler and target machine.  You can
use the ‘MIN’ and ‘MAX’ macros in ‘limits.h’ to determine which type
will work.

   Each signed integer type has a pair of macros which give the smallest
and largest values that it can hold.  Each unsigned integer type has one
such macro, for the maximum value; the minimum value is, of course,
zero.

   The values of these macros are all integer constant expressions.  The
‘MAX’ and ‘MIN’ macros for ‘char’ and ‘short int’ types have values of
type ‘int’.  The ‘MAX’ and ‘MIN’ macros for the other types have values
of the same type described by the macro--thus, ‘ULONG_MAX’ has type
‘unsigned long int’.

‘SCHAR_MIN’

     This is the minimum value that can be represented by a
     ‘signed char’.

‘SCHAR_MAX’
‘UCHAR_MAX’

     These are the maximum values that can be represented by a
     ‘signed char’ and ‘unsigned char’, respectively.

‘CHAR_MIN’

     This is the minimum value that can be represented by a ‘char’.
     It's equal to ‘SCHAR_MIN’ if ‘char’ is signed, or zero otherwise.

‘CHAR_MAX’

     This is the maximum value that can be represented by a ‘char’.
     It's equal to ‘SCHAR_MAX’ if ‘char’ is signed, or ‘UCHAR_MAX’
     otherwise.

‘SHRT_MIN’

     This is the minimum value that can be represented by a
     ‘signed short int’.  On most machines that the GNU C Library runs
     on, ‘short’ integers are 16-bit quantities.

‘SHRT_MAX’
‘USHRT_MAX’

     These are the maximum values that can be represented by a
     ‘signed short int’ and ‘unsigned short int’, respectively.

‘INT_MIN’

     This is the minimum value that can be represented by a
     ‘signed int’.  On most machines that the GNU C Library runs on, an
     ‘int’ is a 32-bit quantity.

‘INT_MAX’
‘UINT_MAX’

     These are the maximum values that can be represented by,
     respectively, the type ‘signed int’ and the type ‘unsigned int’.

‘LONG_MIN’

     This is the minimum value that can be represented by a
     ‘signed long int’.  On most machines that the GNU C Library runs
     on, ‘long’ integers are 32-bit quantities, the same size as ‘int’.

‘LONG_MAX’
‘ULONG_MAX’

     These are the maximum values that can be represented by a
     ‘signed long int’ and ‘unsigned long int’, respectively.

‘LLONG_MIN’

     This is the minimum value that can be represented by a
     ‘signed long long int’.  On most machines that the GNU C Library
     runs on, ‘long long’ integers are 64-bit quantities.

‘LLONG_MAX’
‘ULLONG_MAX’

     These are the maximum values that can be represented by a ‘signed
     long long int’ and ‘unsigned long long int’, respectively.

‘LONG_LONG_MIN’
‘LONG_LONG_MAX’
‘ULONG_LONG_MAX’

     These are obsolete names for ‘LLONG_MIN’, ‘LLONG_MAX’, and
     ‘ULLONG_MAX’.  They are only available if ‘_GNU_SOURCE’ is defined
     (*note Feature Test Macros::).  In GCC versions prior to 3.0, these
     were the only names available.

‘WCHAR_MAX’

     This is the maximum value that can be represented by a ‘wchar_t’.
     *Note Extended Char Intro::.

   The header file ‘limits.h’ also defines some additional constants
that parameterize various operating system and file system limits.
These constants are described in *note System Configuration::.


File: libc.info,  Node: Floating Type Macros,  Next: Structure Measurement,  Prev: Range of Type,  Up: Data Type Measurements

A.5.3 Floating Type Macros
--------------------------

The specific representation of floating point numbers varies from
machine to machine.  Because floating point numbers are represented
internally as approximate quantities, algorithms for manipulating
floating point data often need to take account of the precise details of
the machine's floating point representation.

   Some of the functions in the C library itself need this information;
for example, the algorithms for printing and reading floating point
numbers (*note I/O on Streams::) and for calculating trigonometric and
irrational functions (*note Mathematics::) use it to avoid round-off
error and loss of accuracy.  User programs that implement numerical
analysis techniques also often need this information in order to
minimize or compute error bounds.

   The header file ‘float.h’ describes the format used by your machine.

* Menu:

* Floating Point Concepts::     Definitions of terminology.
* Floating Point Parameters::   Details of specific macros.
* IEEE Floating Point::         The measurements for one common
                                 representation.


File: libc.info,  Node: Floating Point Concepts,  Next: Floating Point Parameters,  Up: Floating Type Macros

A.5.3.1 Floating Point Representation Concepts
..............................................

This section introduces the terminology for describing floating point
representations.

   You are probably already familiar with most of these concepts in
terms of scientific or exponential notation for floating point numbers.
For example, the number ‘123456.0’ could be expressed in exponential
notation as ‘1.23456e+05’, a shorthand notation indicating that the
mantissa ‘1.23456’ is multiplied by the base ‘10’ raised to power ‘5’.

   More formally, the internal representation of a floating point number
can be characterized in terms of the following parameters:

   • The “sign” is either ‘-1’ or ‘1’.

   • The “base” or “radix” for exponentiation, an integer greater than
     ‘1’.  This is a constant for a particular representation.

   • The “exponent” to which the base is raised.  The upper and lower
     bounds of the exponent value are constants for a particular
     representation.

     Sometimes, in the actual bits representing the floating point
     number, the exponent is “biased” by adding a constant to it, to
     make it always be represented as an unsigned quantity.  This is
     only important if you have some reason to pick apart the bit fields
     making up the floating point number by hand, which is something for
     which the GNU C Library provides no support.  So this is ignored in
     the discussion that follows.

   • The “mantissa” or “significand” is an unsigned integer which is a
     part of each floating point number.

   • The “precision” of the mantissa.  If the base of the representation
     is B, then the precision is the number of base-B digits in the
     mantissa.  This is a constant for a particular representation.

     Many floating point representations have an implicit “hidden bit”
     in the mantissa.  This is a bit which is present virtually in the
     mantissa, but not stored in memory because its value is always 1 in
     a normalized number.  The precision figure (see above) includes any
     hidden bits.

     Again, the GNU C Library provides no facilities for dealing with
     such low-level aspects of the representation.

   The mantissa of a floating point number represents an implicit
fraction whose denominator is the base raised to the power of the
precision.  Since the largest representable mantissa is one less than
this denominator, the value of the fraction is always strictly less than
‘1’.  The mathematical value of a floating point number is then the
product of this fraction, the sign, and the base raised to the exponent.

   We say that the floating point number is “normalized” if the fraction
is at least ‘1/B’, where B is the base.  In other words, the mantissa
would be too large to fit if it were multiplied by the base.
Non-normalized numbers are sometimes called “denormal”; they contain
less precision than the representation normally can hold.

   If the number is not normalized, then you can subtract ‘1’ from the
exponent while multiplying the mantissa by the base, and get another
floating point number with the same value.  “Normalization” consists of
doing this repeatedly until the number is normalized.  Two distinct
normalized floating point numbers cannot be equal in value.

   (There is an exception to this rule: if the mantissa is zero, it is
considered normalized.  Another exception happens on certain machines
where the exponent is as small as the representation can hold.  Then it
is impossible to subtract ‘1’ from the exponent, so a number may be
normalized even if its fraction is less than ‘1/B’.)


File: libc.info,  Node: Floating Point Parameters,  Next: IEEE Floating Point,  Prev: Floating Point Concepts,  Up: Floating Type Macros

A.5.3.2 Floating Point Parameters
.................................

These macro definitions can be accessed by including the header file
‘float.h’ in your program.

   Macro names starting with ‘FLT_’ refer to the ‘float’ type, while
names beginning with ‘DBL_’ refer to the ‘double’ type and names
beginning with ‘LDBL_’ refer to the ‘long double’ type.  (If GCC does
not support ‘long double’ as a distinct data type on a target machine
then the values for the ‘LDBL_’ constants are equal to the corresponding
constants for the ‘double’ type.)

   Of these macros, only ‘FLT_RADIX’ is guaranteed to be a constant
expression.  The other macros listed here cannot be reliably used in
places that require constant expressions, such as ‘#if’ preprocessing
directives or in the dimensions of static arrays.

   Although the ISO C standard specifies minimum and maximum values for
most of these parameters, the GNU C implementation uses whatever values
describe the floating point representation of the target machine.  So in
principle GNU C actually satisfies the ISO C requirements only if the
target machine is suitable.  In practice, all the machines currently
supported are suitable.

‘FLT_ROUNDS’

     This value characterizes the rounding mode for floating point
     addition.  The following values indicate standard rounding modes:

     ‘-1’
          The mode is indeterminable.
     ‘0’
          Rounding is towards zero.
     ‘1’
          Rounding is to the nearest number.
     ‘2’
          Rounding is towards positive infinity.
     ‘3’
          Rounding is towards negative infinity.

     Any other value represents a machine-dependent nonstandard rounding
     mode.

     On most machines, the value is ‘1’, in accordance with the IEEE
     standard for floating point.

     Here is a table showing how certain values round for each possible
     value of ‘FLT_ROUNDS’, if the other aspects of the representation
     match the IEEE single-precision standard.

                          0      1             2             3
           1.00000003    1.0    1.0           1.00000012    1.0
           1.00000007    1.0    1.00000012    1.00000012    1.0
          -1.00000003   -1.0   -1.0          -1.0          -1.00000012
          -1.00000007   -1.0   -1.00000012   -1.0          -1.00000012

‘FLT_RADIX’

     This is the value of the base, or radix, of the exponent
     representation.  This is guaranteed to be a constant expression,
     unlike the other macros described in this section.  The value is 2
     on all machines we know of except the IBM 360 and derivatives.

‘FLT_MANT_DIG’

     This is the number of base-‘FLT_RADIX’ digits in the floating point
     mantissa for the ‘float’ data type.  The following expression
     yields ‘1.0’ (even though mathematically it should not) due to the
     limited number of mantissa digits:

          float radix = FLT_RADIX;

          1.0f + 1.0f / radix / radix / ... / radix

     where ‘radix’ appears ‘FLT_MANT_DIG’ times.

‘DBL_MANT_DIG’
‘LDBL_MANT_DIG’

     This is the number of base-‘FLT_RADIX’ digits in the floating point
     mantissa for the data types ‘double’ and ‘long double’,
     respectively.

‘FLT_DIG’

     This is the number of decimal digits of precision for the ‘float’
     data type.  Technically, if P and B are the precision and base
     (respectively) for the representation, then the decimal precision Q
     is the maximum number of decimal digits such that any floating
     point number with Q base 10 digits can be rounded to a floating
     point number with P base B digits and back again, without change to
     the Q decimal digits.

     The value of this macro is supposed to be at least ‘6’, to satisfy
     ISO C.

‘DBL_DIG’
‘LDBL_DIG’

     These are similar to ‘FLT_DIG’, but for the data types ‘double’ and
     ‘long double’, respectively.  The values of these macros are
     supposed to be at least ‘10’.

‘FLT_MIN_EXP’

     This is the smallest possible exponent value for type ‘float’.
     More precisely, it is the minimum negative integer such that the
     value ‘FLT_RADIX’ raised to one less than this power can be
     represented as a normalized floating point number of type ‘float’.

‘DBL_MIN_EXP’
‘LDBL_MIN_EXP’

     These are similar to ‘FLT_MIN_EXP’, but for the data types ‘double’
     and ‘long double’, respectively.

‘FLT_MIN_10_EXP’

     This is the minimum negative integer such that ‘10’ raised to this
     power can be represented as a normalized floating point number of
     type ‘float’.  This is supposed to be ‘-37’ or even less.

‘DBL_MIN_10_EXP’
‘LDBL_MIN_10_EXP’

     These are similar to ‘FLT_MIN_10_EXP’, but for the data types
     ‘double’ and ‘long double’, respectively.

‘FLT_MAX_EXP’

     This is the largest possible exponent value for type ‘float’.  More
     precisely, this is the maximum positive integer such that value
     ‘FLT_RADIX’ raised to one less than this power can be represented
     as a finite floating point number of type ‘float’.

‘DBL_MAX_EXP’
‘LDBL_MAX_EXP’

     These are similar to ‘FLT_MAX_EXP’, but for the data types ‘double’
     and ‘long double’, respectively.

‘FLT_MAX_10_EXP’

     This is the maximum positive integer such that ‘10’ raised to this
     power can be represented as a finite floating point number of type
     ‘float’.  This is supposed to be at least ‘37’.

‘DBL_MAX_10_EXP’
‘LDBL_MAX_10_EXP’

     These are similar to ‘FLT_MAX_10_EXP’, but for the data types
     ‘double’ and ‘long double’, respectively.

‘FLT_MAX’

     The value of this macro is the maximum number representable in type
     ‘float’.  It is supposed to be at least ‘1E+37’.  The value has
     type ‘float’.

     The smallest representable number is ‘- FLT_MAX’.

‘DBL_MAX’
‘LDBL_MAX’

     These are similar to ‘FLT_MAX’, but for the data types ‘double’ and
     ‘long double’, respectively.  The type of the macro's value is the
     same as the type it describes.

‘FLT_MIN’

     The value of this macro is the minimum normalized positive floating
     point number that is representable in type ‘float’.  It is supposed
     to be no more than ‘1E-37’.

‘DBL_MIN’
‘LDBL_MIN’

     These are similar to ‘FLT_MIN’, but for the data types ‘double’ and
     ‘long double’, respectively.  The type of the macro's value is the
     same as the type it describes.

‘FLT_EPSILON’

     This is the difference between 1 and the smallest floating point
     number of type ‘float’ that is greater than 1.  It's supposed to be
     no greater than ‘1E-5’.

‘DBL_EPSILON’
‘LDBL_EPSILON’

     These are similar to ‘FLT_EPSILON’, but for the data types ‘double’
     and ‘long double’, respectively.  The type of the macro's value is
     the same as the type it describes.  The values are not supposed to
     be greater than ‘1E-9’.


File: libc.info,  Node: IEEE Floating Point,  Prev: Floating Point Parameters,  Up: Floating Type Macros

A.5.3.3 IEEE Floating Point
...........................

Here is an example showing how the floating type measurements come out
for the most common floating point representation, specified by the
‘IEEE Standard for Binary Floating Point Arithmetic (ANSI/IEEE Std
754-1985)’.  Nearly all computers designed since the 1980s use this
format.

   The IEEE single-precision float representation uses a base of 2.
There is a sign bit, a mantissa with 23 bits plus one hidden bit (so the
total precision is 24 base-2 digits), and an 8-bit exponent that can
represent values in the range -125 to 128, inclusive.

   So, for an implementation that uses this representation for the
‘float’ data type, appropriate values for the corresponding parameters
are:

     FLT_RADIX                             2
     FLT_MANT_DIG                         24
     FLT_DIG                               6
     FLT_MIN_EXP                        -125
     FLT_MIN_10_EXP                      -37
     FLT_MAX_EXP                         128
     FLT_MAX_10_EXP                      +38
     FLT_MIN                 1.17549435E-38F
     FLT_MAX                 3.40282347E+38F
     FLT_EPSILON             1.19209290E-07F

   Here are the values for the ‘double’ data type:

     DBL_MANT_DIG                         53
     DBL_DIG                              15
     DBL_MIN_EXP                       -1021
     DBL_MIN_10_EXP                     -307
     DBL_MAX_EXP                        1024
     DBL_MAX_10_EXP                      308
     DBL_MAX         1.7976931348623157E+308
     DBL_MIN         2.2250738585072014E-308
     DBL_EPSILON     2.2204460492503131E-016


File: libc.info,  Node: Structure Measurement,  Prev: Floating Type Macros,  Up: Data Type Measurements

A.5.4 Structure Field Offset Measurement
----------------------------------------

You can use ‘offsetof’ to measure the location within a structure type
of a particular structure member.

 -- Macro: size_t offsetof (TYPE, MEMBER)

     Preliminary: | MT-Safe | AS-Safe | AC-Safe | *Note POSIX Safety
     Concepts::.

     This expands to an integer constant expression that is the offset
     of the structure member named MEMBER in the structure type TYPE.
     For example, ‘offsetof (struct s, elem)’ is the offset, in bytes,
     of the member ‘elem’ in a ‘struct s’.

     This macro won't work if MEMBER is a bit field; you get an error
     from the C compiler in that case.


File: libc.info,  Node: Library Summary,  Next: Installation,  Prev: Language Features,  Up: Top

Appendix B Summary of Library Facilities
****************************************

This appendix is a complete list of the facilities declared within the
header files supplied with the GNU C Library.  Each entry also lists the
standard or other source from which each facility is derived, and tells
you where in the manual you can find more information about how to use
it.

‘ACCOUNTING’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘AF_FILE’

     ‘sys/socket.h’ (GNU): *note Address Formats::.

‘AF_INET’

     ‘sys/socket.h’ (BSD): *note Address Formats::.

‘AF_INET6’

     ‘sys/socket.h’ (IPv6 Basic API): *note Address Formats::.

‘AF_LOCAL’

     ‘sys/socket.h’ (POSIX): *note Address Formats::.

‘AF_UNIX’

     ‘sys/socket.h’ (BSD): *note Address Formats::.

     ‘sys/socket.h’ (Unix98): *note Address Formats::.

‘AF_UNSPEC’

     ‘sys/socket.h’ (BSD): *note Address Formats::.

‘tcflag_t ALTWERASE’

     ‘termios.h’ (BSD): *note Local Modes::.

‘int ARGP_ERR_UNKNOWN’

     ‘argp.h’ (GNU): *note Argp Parser Functions::.

‘ARGP_HELP_BUG_ADDR’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_DOC’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_EXIT_ERR’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_EXIT_OK’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_LONG’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_LONG_ONLY’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_POST_DOC’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_PRE_DOC’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_SEE’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_SHORT_USAGE’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_STD_ERR’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_STD_HELP’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_STD_USAGE’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_HELP_USAGE’

     ‘argp.h’ (GNU): *note Argp Help Flags::.

‘ARGP_IN_ORDER’

     ‘argp.h’ (GNU): *note Argp Flags::.

‘ARGP_KEY_ARG’

     ‘argp.h’ (GNU): *note Argp Special Keys::.

‘ARGP_KEY_ARGS’

     ‘argp.h’ (GNU): *note Argp Special Keys::.

‘ARGP_KEY_END’

     ‘argp.h’ (GNU): *note Argp Special Keys::.

‘ARGP_KEY_ERROR’

     ‘argp.h’ (GNU): *note Argp Special Keys::.

‘ARGP_KEY_FINI’

     ‘argp.h’ (GNU): *note Argp Special Keys::.

‘ARGP_KEY_HELP_ARGS_DOC’

     ‘argp.h’ (GNU): *note Argp Help Filter Keys::.

‘ARGP_KEY_HELP_DUP_ARGS_NOTE’

     ‘argp.h’ (GNU): *note Argp Help Filter Keys::.

‘ARGP_KEY_HELP_EXTRA’

     ‘argp.h’ (GNU): *note Argp Help Filter Keys::.

‘ARGP_KEY_HELP_HEADER’

     ‘argp.h’ (GNU): *note Argp Help Filter Keys::.

‘ARGP_KEY_HELP_POST_DOC’

     ‘argp.h’ (GNU): *note Argp Help Filter Keys::.

‘ARGP_KEY_HELP_PRE_DOC’

     ‘argp.h’ (GNU): *note Argp Help Filter Keys::.

‘ARGP_KEY_INIT’

     ‘argp.h’ (GNU): *note Argp Special Keys::.

‘ARGP_KEY_NO_ARGS’

     ‘argp.h’ (GNU): *note Argp Special Keys::.

‘ARGP_KEY_SUCCESS’

     ‘argp.h’ (GNU): *note Argp Special Keys::.

‘ARGP_LONG_ONLY’

     ‘argp.h’ (GNU): *note Argp Flags::.

‘ARGP_NO_ARGS’

     ‘argp.h’ (GNU): *note Argp Flags::.

‘ARGP_NO_ERRS’

     ‘argp.h’ (GNU): *note Argp Flags::.

‘ARGP_NO_EXIT’

     ‘argp.h’ (GNU): *note Argp Flags::.

‘ARGP_NO_HELP’

     ‘argp.h’ (GNU): *note Argp Flags::.

‘ARGP_PARSE_ARGV0’

     ‘argp.h’ (GNU): *note Argp Flags::.

‘ARGP_SILENT’

     ‘argp.h’ (GNU): *note Argp Flags::.

‘int ARG_MAX’

     ‘limits.h’ (POSIX.1): *note General Limits::.

‘baud_t BAUD_MAX’

     ‘termios.h’ (GNU): *note Line Speed::.

‘int BC_BASE_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Limits::.

‘int BC_DIM_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Limits::.

‘int BC_SCALE_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Limits::.

‘int BC_STRING_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Limits::.

‘BOOT_TIME’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘tcflag_t BRKINT’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘int BUFSIZ’

     ‘stdio.h’ (ISO): *note Controlling Buffering::.

‘tcflag_t CCTS_OFLOW’

     ‘termios.h’ (BSD): *note Control Modes::.

‘int CHAR_BIT’

     ‘limits.h’ (C90): *note Width of Type::.

‘CHAR_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘CHAR_MIN’

     ‘limits.h’ (ISO): *note Range of Type::.

‘CHAR_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘int CHILD_MAX’

     ‘limits.h’ (POSIX.1): *note General Limits::.

‘tcflag_t CIGNORE’

     ‘termios.h’ (BSD): *note Control Modes::.

‘int CLK_TCK’

     ‘time.h’ (POSIX.1): *note Processor Time::.

‘tcflag_t CLOCAL’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘CLOCKS_PER_SEC’

     ‘time.h’ (ISO): *note Processor And CPU Time::.

‘int CLOCKS_PER_SEC’

     ‘time.h’ (ISO): *note CPU Time::.

‘clockid_t CLOCK_BOOTTIME’

     ‘time.h’ (Linux): *note Getting the Time::.

‘clockid_t CLOCK_BOOTTIME_ALARM’

     ‘time.h’ (Linux): *note Getting the Time::.

‘clockid_t CLOCK_MONOTONIC’

     ‘time.h’ (POSIX.1): *note Getting the Time::.

‘clockid_t CLOCK_MONOTONIC_COARSE’

     ‘time.h’ (Linux): *note Getting the Time::.

‘clockid_t CLOCK_MONOTONIC_RAW’

     ‘time.h’ (Linux): *note Getting the Time::.

‘clockid_t CLOCK_PROCESS_CPUTIME_ID’

     ‘time.h’ (POSIX.1): *note Getting the Time::.

‘clockid_t CLOCK_REALTIME’

     ‘time.h’ (POSIX.1): *note Getting the Time::.

‘clockid_t CLOCK_REALTIME_ALARM’

     ‘time.h’ (Linux): *note Getting the Time::.

‘clockid_t CLOCK_REALTIME_COARSE’

     ‘time.h’ (Linux): *note Getting the Time::.

‘clockid_t CLOCK_TAI’

     ‘time.h’ (Linux): *note Getting the Time::.

‘clockid_t CLOCK_THREAD_CPUTIME_ID’

     ‘time.h’ (POSIX.1): *note Getting the Time::.

‘int COLL_WEIGHTS_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Limits::.

‘cpu_set_t * CPU_ALLOC (size_t COUNT)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘size_t CPU_ALLOC_SIZE (size_t COUNT)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘cpu_set_t * CPU_AND (cpu_set_t *DEST, cpu_set_t *SRC1, cpu_set_t *SRC2)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘void CPU_CLR (int CPU, cpu_set_t *SET)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘int CPU_COUNT (const cpu_set_t *SET)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘int CPU_EQUAL (cpu_set_t *SRC1, cpu_set_t *SRC2)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘void CPU_FREE (cpu_set_t *SET)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘int CPU_ISSET (int CPU, const cpu_set_t *SET)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘cpu_set_t * CPU_OR (cpu_set_t *DEST, cpu_set_t *SRC1, cpu_set_t *SRC2)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘void CPU_SET (int CPU, cpu_set_t *SET)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘int CPU_SETSIZE’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘cpu_set_t * CPU_XOR (cpu_set_t *DEST, cpu_set_t *SRC1, cpu_set_t *SRC2)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘void CPU_ZERO (cpu_set_t *SET)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘tcflag_t CREAD’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘tcflag_t CRTS_IFLOW’

     ‘termios.h’ (BSD): *note Control Modes::.

‘tcflag_t CS5’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘tcflag_t CS6’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘tcflag_t CS7’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘tcflag_t CS8’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘tcflag_t CSIZE’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘tcflag_t CSTOPB’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘DBL_DIG’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘DBL_EPSILON’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘DBL_MANT_DIG’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘DBL_MAX’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘DBL_MAX_10_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘DBL_MAX_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘DBL_MIN’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘DBL_MIN_10_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘DBL_MIN_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘DEAD_PROCESS’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘DIR’

     ‘dirent.h’ (POSIX.1): *note Opening a Directory::.

‘int DLFO_EH_SEGMENT_TYPE’

     ‘dlfcn.h’ (GNU): *note Dynamic Linker Introspection::.

‘int DLFO_STRUCT_HAS_EH_COUNT’

     ‘dlfcn.h’ (GNU): *note Dynamic Linker Introspection::.

‘int DLFO_STRUCT_HAS_EH_DBASE’

     ‘dlfcn.h’ (GNU): *note Dynamic Linker Introspection::.

‘mode_t DTTOIF (int DTYPE)’

     ‘dirent.h’ (BSD): *note Directory Entries::.

‘int E2BIG’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EACCES’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EADDRINUSE’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EADDRNOTAVAIL’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EADV’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EAFNOSUPPORT’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EAGAIN’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EALREADY’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EAUTH’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EBACKGROUND’

     ‘errno.h’ (GNU): *note Error Codes::.

‘int EBADE’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EBADF’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EBADFD’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EBADMSG’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int EBADR’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EBADRPC’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EBADRQC’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EBADSLT’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EBFONT’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EBUSY’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ECANCELED’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ECHILD’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘tcflag_t ECHO’

     ‘termios.h’ (POSIX.1): *note Local Modes::.

‘tcflag_t ECHOCTL’

     ‘termios.h’ (BSD): *note Local Modes::.

‘tcflag_t ECHOE’

     ‘termios.h’ (POSIX.1): *note Local Modes::.

‘tcflag_t ECHOK’

     ‘termios.h’ (POSIX.1): *note Local Modes::.

‘tcflag_t ECHOKE’

     ‘termios.h’ (BSD): *note Local Modes::.

‘tcflag_t ECHONL’

     ‘termios.h’ (POSIX.1): *note Local Modes::.

‘tcflag_t ECHOPRT’

     ‘termios.h’ (BSD): *note Local Modes::.

‘int ECHRNG’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ECOMM’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ECONNABORTED’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ECONNREFUSED’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ECONNRESET’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ED’

     ‘errno.h’ (GNU): *note Error Codes::.

‘int EDEADLK’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EDEADLOCK’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EDESTADDRREQ’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EDIED’

     ‘errno.h’ (GNU): *note Error Codes::.

‘int EDOM’

     ‘errno.h’ (ISO): *note Error Codes::.

‘int EDOTDOT’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EDQUOT’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EEXIST’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EFAULT’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EFBIG’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EFTYPE’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EGRATUITOUS’

     ‘errno.h’ (GNU): *note Error Codes::.

‘int EGREGIOUS’

     ‘errno.h’ (GNU): *note Error Codes::.

‘int EHOSTDOWN’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EHOSTUNREACH’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EHWPOISON’

     ‘errno.h’ (Linux): *note Error Codes::.

‘int EIDRM’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int EIEIO’

     ‘errno.h’ (GNU): *note Error Codes::.

‘int EILSEQ’

     ‘errno.h’ (ISO): *note Error Codes::.

‘int EINPROGRESS’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EINTR’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EINVAL’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EIO’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EISCONN’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EISDIR’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EISNAM’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EKEYEXPIRED’

     ‘errno.h’ (Linux): *note Error Codes::.

‘int EKEYREJECTED’

     ‘errno.h’ (Linux): *note Error Codes::.

‘int EKEYREVOKED’

     ‘errno.h’ (Linux): *note Error Codes::.

‘int EL2HLT’

     ‘errno.h’ (Obsolete): *note Error Codes::.

‘int EL2NSYNC’

     ‘errno.h’ (Obsolete): *note Error Codes::.

‘int EL3HLT’

     ‘errno.h’ (Obsolete): *note Error Codes::.

‘int EL3RST’

     ‘errno.h’ (Obsolete): *note Error Codes::.

‘int ELIBACC’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ELIBBAD’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ELIBEXEC’

     ‘errno.h’ (GNU): *note Error Codes::.

‘int ELIBMAX’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ELIBSCN’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ELNRNG’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ELOOP’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EMEDIUMTYPE’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EMFILE’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EMLINK’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘EMPTY’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘int EMSGSIZE’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EMULTIHOP’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int ENAMETOOLONG’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENAVAIL’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ENEEDAUTH’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ENETDOWN’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ENETRESET’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ENETUNREACH’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ENFILE’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOANO’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ENOBUFS’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ENOCSI’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ENODATA’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int ENODEV’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOENT’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOEXEC’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOKEY’

     ‘errno.h’ (Linux): *note Error Codes::.

‘int ENOLCK’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOLINK’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int ENOMEDIUM’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ENOMEM’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOMSG’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int ENONET’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ENOPKG’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ENOPROTOOPT’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ENOSPC’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOSR’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int ENOSTR’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int ENOSYS’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOTBLK’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ENOTCONN’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ENOTDIR’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOTEMPTY’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOTNAM’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ENOTRECOVERABLE’

     ‘errno.h’ (GNU): *note Error Codes::.

‘int ENOTSOCK’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ENOTSUP’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOTTY’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ENOTUNIQ’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ENXIO’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EOF’

     ‘stdio.h’ (ISO): *note EOF and Errors::.

‘int EOPNOTSUPP’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EOVERFLOW’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int EOWNERDEAD’

     ‘errno.h’ (GNU): *note Error Codes::.

‘int EPERM’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EPFNOSUPPORT’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EPIPE’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EPROCLIM’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EPROCUNAVAIL’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EPROGMISMATCH’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EPROGUNAVAIL’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EPROTO’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int EPROTONOSUPPORT’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EPROTOTYPE’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EQUIV_CLASS_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Limits::.

‘int ERANGE’

     ‘errno.h’ (ISO): *note Error Codes::.

‘int EREMCHG’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EREMOTE’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EREMOTEIO’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ERESTART’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ERFKILL’

     ‘errno.h’ (Linux): *note Error Codes::.

‘int EROFS’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ERPCMISMATCH’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ESHUTDOWN’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ESOCKTNOSUPPORT’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ESPIPE’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ESRCH’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int ESRMNT’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ESTALE’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ESTRPIPE’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int ETIME’

     ‘errno.h’ (XOPEN): *note Error Codes::.

‘int ETIMEDOUT’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ETOOMANYREFS’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int ETXTBSY’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EUCLEAN’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EUNATCH’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EUSERS’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EWOULDBLOCK’

     ‘errno.h’ (BSD): *note Error Codes::.

‘int EXDEV’

     ‘errno.h’ (POSIX.1): *note Error Codes::.

‘int EXFULL’

     ‘errno.h’ (Linux???): *note Error Codes::.

‘int EXIT_FAILURE’

     ‘stdlib.h’ (ISO): *note Exit Status::.

‘int EXIT_SUCCESS’

     ‘stdlib.h’ (ISO): *note Exit Status::.

‘int EXPR_NEST_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Limits::.

‘int FD_CLOEXEC’

     ‘fcntl.h’ (POSIX.1): *note Descriptor Flags::.

‘void FD_CLR (int FILEDES, fd_set *SET)’

     ‘sys/select.h’ (POSIX.1): *note Waiting for I/O::.

‘int FD_ISSET (int FILEDES, const fd_set *SET)’

     ‘sys/select.h’ (POSIX.1): *note Waiting for I/O::.

‘void FD_SET (int FILEDES, fd_set *SET)’

     ‘sys/select.h’ (POSIX.1): *note Waiting for I/O::.

‘int FD_SETSIZE’

     ‘sys/select.h’ (POSIX.1): *note Waiting for I/O::.

‘void FD_ZERO (fd_set *SET)’

     ‘sys/select.h’ (POSIX.1): *note Waiting for I/O::.

‘FE_DIVBYZERO’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘FE_DOWNWARD’

     ‘fenv.h’ (ISO): *note Rounding::.

‘FE_INEXACT’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘FE_INVALID’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘FE_OVERFLOW’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘int FE_SNANS_ALWAYS_SIGNAL’

     ‘fenv.h’ (ISO): *note Infinity and NaN::.

‘FE_TONEAREST’

     ‘fenv.h’ (ISO): *note Rounding::.

‘FE_TOWARDZERO’

     ‘fenv.h’ (ISO): *note Rounding::.

‘FE_UNDERFLOW’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘FE_UPWARD’

     ‘fenv.h’ (ISO): *note Rounding::.

‘FILE’

     ‘stdio.h’ (ISO): *note Streams::.

‘int FILENAME_MAX’

     ‘stdio.h’ (ISO): *note Limits for Files::.

‘FLT_DIG’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_EPSILON’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_MANT_DIG’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_MAX’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_MAX_10_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_MAX_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_MIN’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_MIN_10_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_MIN_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_RADIX’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘FLT_ROUNDS’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘tcflag_t FLUSHO’

     ‘termios.h’ (BSD): *note Local Modes::.

‘FNM_CASEFOLD’

     ‘fnmatch.h’ (POSIX.1-2024): *note Wildcard Matching::.

‘FNM_EXTMATCH’

     ‘fnmatch.h’ (GNU): *note Wildcard Matching::.

‘FNM_FILE_NAME’

     ‘fnmatch.h’ (GNU): *note Wildcard Matching::.

‘FNM_LEADING_DIR’

     ‘fnmatch.h’ (GNU): *note Wildcard Matching::.

‘FNM_NOESCAPE’

     ‘fnmatch.h’ (POSIX.2): *note Wildcard Matching::.

‘FNM_PATHNAME’

     ‘fnmatch.h’ (POSIX.2): *note Wildcard Matching::.

‘FNM_PERIOD’

     ‘fnmatch.h’ (POSIX.2): *note Wildcard Matching::.

‘int FOPEN_MAX’

     ‘stdio.h’ (ISO): *note Opening Streams::.

‘FPE_DECOVF_TRAP’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘FPE_FLTDIV_FAULT’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘FPE_FLTDIV_TRAP’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘FPE_FLTOVF_FAULT’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘FPE_FLTOVF_TRAP’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘FPE_FLTUND_FAULT’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘FPE_FLTUND_TRAP’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘FPE_INTDIV_TRAP’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘FPE_INTOVF_TRAP’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘FPE_SUBRNG_TRAP’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘int FP_ILOGB0’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘int FP_ILOGBNAN’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘FP_INFINITE’

     ‘math.h’ (C99): *note Floating Point Classes::.

‘FP_INT_DOWNWARD’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘FP_INT_TONEAREST’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘FP_INT_TONEARESTFROMZERO’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘FP_INT_TOWARDZERO’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘FP_INT_UPWARD’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long int FP_LLOGB0’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘long int FP_LLOGBNAN’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘FP_NAN’

     ‘math.h’ (C99): *note Floating Point Classes::.

‘FP_NORMAL’

     ‘math.h’ (C99): *note Floating Point Classes::.

‘FP_SUBNORMAL’

     ‘math.h’ (C99): *note Floating Point Classes::.

‘FP_ZERO’

     ‘math.h’ (C99): *note Floating Point Classes::.

‘struct FTW’

     ‘ftw.h’ (XPG4.2): *note Working with Directory Trees::.

‘int F_DUPFD’

     ‘fcntl.h’ (POSIX.1): *note Duplicating Descriptors::.

‘int F_GETFD’

     ‘fcntl.h’ (POSIX.1): *note Descriptor Flags::.

‘int F_GETFL’

     ‘fcntl.h’ (POSIX.1): *note Getting File Status Flags::.

‘int F_GETLK’

     ‘fcntl.h’ (POSIX.1): *note File Locks::.

‘int F_GETOWN’

     ‘fcntl.h’ (BSD): *note Interrupt Input::.

‘int F_OFD_SETLK’

     ‘fcntl.h’ (POSIX.1): *note Open File Description Locks::.

‘int F_OFD_SETLKW’

     ‘fcntl.h’ (POSIX.1): *note Open File Description Locks::.

‘int F_OK’

     ‘unistd.h’ (POSIX.1): *note Testing File Access::.

‘F_RDLCK’

     ‘fcntl.h’ (POSIX.1): *note File Locks::.

‘int F_SETFD’

     ‘fcntl.h’ (POSIX.1): *note Descriptor Flags::.

‘int F_SETFL’

     ‘fcntl.h’ (POSIX.1): *note Getting File Status Flags::.

‘int F_SETLK’

     ‘fcntl.h’ (POSIX.1): *note File Locks::.

‘int F_SETLKW’

     ‘fcntl.h’ (POSIX.1): *note File Locks::.

‘int F_SETOWN’

     ‘fcntl.h’ (BSD): *note Interrupt Input::.

‘F_UNLCK’

     ‘fcntl.h’ (POSIX.1): *note File Locks::.

‘F_WRLCK’

     ‘fcntl.h’ (POSIX.1): *note File Locks::.

‘GLOB_ABORTED’

     ‘glob.h’ (POSIX.2): *note Calling Glob::.

‘GLOB_ALTDIRFUNC’

     ‘glob.h’ (GNU): *note More Flags for Globbing::.

‘GLOB_APPEND’

     ‘glob.h’ (POSIX.2): *note Flags for Globbing::.

‘GLOB_BRACE’

     ‘glob.h’ (GNU): *note More Flags for Globbing::.

‘GLOB_DOOFFS’

     ‘glob.h’ (POSIX.2): *note Flags for Globbing::.

‘GLOB_ERR’

     ‘glob.h’ (POSIX.2): *note Flags for Globbing::.

‘GLOB_MAGCHAR’

     ‘glob.h’ (GNU): *note More Flags for Globbing::.

‘GLOB_MARK’

     ‘glob.h’ (POSIX.2): *note Flags for Globbing::.

‘GLOB_NOCHECK’

     ‘glob.h’ (POSIX.2): *note Flags for Globbing::.

‘GLOB_NOESCAPE’

     ‘glob.h’ (POSIX.2): *note Flags for Globbing::.

‘GLOB_NOMAGIC’

     ‘glob.h’ (GNU): *note More Flags for Globbing::.

‘GLOB_NOMATCH’

     ‘glob.h’ (POSIX.2): *note Calling Glob::.

‘GLOB_NOSORT’

     ‘glob.h’ (POSIX.2): *note Flags for Globbing::.

‘GLOB_NOSPACE’

     ‘glob.h’ (POSIX.2): *note Calling Glob::.

‘GLOB_ONLYDIR’

     ‘glob.h’ (GNU): *note More Flags for Globbing::.

‘GLOB_PERIOD’

     ‘glob.h’ (GNU): *note More Flags for Globbing::.

‘GLOB_TILDE’

     ‘glob.h’ (GNU): *note More Flags for Globbing::.

‘GLOB_TILDE_CHECK’

     ‘glob.h’ (GNU): *note More Flags for Globbing::.

‘HOST_NOT_FOUND’

     ‘netdb.h’ (BSD): *note Host Names::.

‘double HUGE_VAL’

     ‘math.h’ (ISO): *note Math Error Reporting::.

‘float HUGE_VALF’

     ‘math.h’ (ISO): *note Math Error Reporting::.

‘long double HUGE_VALL’

     ‘math.h’ (ISO): *note Math Error Reporting::.

‘_FloatN HUGE_VAL_FN’

     ‘math.h’ (TS 18661-3:2015): *note Math Error Reporting::.

‘_FloatNx HUGE_VAL_FNx’

     ‘math.h’ (TS 18661-3:2015): *note Math Error Reporting::.

‘tcflag_t HUPCL’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘const float complex I’

     ‘complex.h’ (C99): *note Complex Numbers::.

‘tcflag_t ICANON’

     ‘termios.h’ (POSIX.1): *note Local Modes::.

‘tcflag_t ICRNL’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘tcflag_t IEXTEN’

     ‘termios.h’ (POSIX.1): *note Local Modes::.

‘size_t IFNAMSIZ’

     ‘net/if.h’ (???): *note Interface Naming::.

‘int IFTODT (mode_t MODE)’

     ‘dirent.h’ (BSD): *note Directory Entries::.

‘tcflag_t IGNBRK’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘tcflag_t IGNCR’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘tcflag_t IGNPAR’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘tcflag_t IMAXBEL’

     ‘termios.h’ (BSD): *note Input Modes::.

‘uint32_t INADDR_ANY’

     ‘netinet/in.h’ (BSD): *note Host Address Data Type::.

‘uint32_t INADDR_BROADCAST’

     ‘netinet/in.h’ (BSD): *note Host Address Data Type::.

‘uint32_t INADDR_LOOPBACK’

     ‘netinet/in.h’ (BSD): *note Host Address Data Type::.

‘uint32_t INADDR_NONE’

     ‘netinet/in.h’ (BSD): *note Host Address Data Type::.

‘float INFINITY’

     ‘math.h’ (ISO): *note Infinity and NaN::.

‘INIT_PROCESS’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘tcflag_t INLCR’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘tcflag_t INPCK’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘INTPTR_WIDTH’

     ‘stdint.h’ (ISO): *note Width of Type::.

‘INT_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘INT_MIN’

     ‘limits.h’ (ISO): *note Range of Type::.

‘INT_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘int IPPORT_RESERVED’

     ‘netinet/in.h’ (BSD): *note Ports::.

‘int IPPORT_USERRESERVED’

     ‘netinet/in.h’ (BSD): *note Ports::.

‘tcflag_t ISIG’

     ‘termios.h’ (POSIX.1): *note Local Modes::.

‘tcflag_t ISTRIP’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘ITIMER_PROF’

     ‘sys/time.h’ (BSD): *note Setting an Alarm::.

‘ITIMER_REAL’

     ‘sys/time.h’ (BSD): *note Setting an Alarm::.

‘ITIMER_VIRTUAL’

     ‘sys/time.h’ (BSD): *note Setting an Alarm::.

‘tcflag_t IXANY’

     ‘termios.h’ (BSD): *note Input Modes::.

‘tcflag_t IXOFF’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘tcflag_t IXON’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘LANG’

     ‘locale.h’ (ISO): *note Locale Categories::.

‘LC_ALL’

     ‘locale.h’ (ISO): *note Locale Categories::.

‘LC_COLLATE’

     ‘locale.h’ (ISO): *note Locale Categories::.

‘LC_CTYPE’

     ‘locale.h’ (ISO): *note Locale Categories::.

‘LC_MESSAGES’

     ‘locale.h’ (XOPEN): *note Locale Categories::.

‘LC_MONETARY’

     ‘locale.h’ (ISO): *note Locale Categories::.

‘LC_NUMERIC’

     ‘locale.h’ (ISO): *note Locale Categories::.

‘LC_TIME’

     ‘locale.h’ (ISO): *note Locale Categories::.

‘LDBL_DIG’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘LDBL_EPSILON’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘LDBL_MANT_DIG’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘LDBL_MAX’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘LDBL_MAX_10_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘LDBL_MAX_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘LDBL_MIN’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘LDBL_MIN_10_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘LDBL_MIN_EXP’

     ‘float.h’ (C90): *note Floating Point Parameters::.

‘int LINE_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Limits::.

‘int LINK_MAX’

     ‘limits.h’ _optional_ (POSIX.1): *note Limits for Files::.

‘LLONG_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘LLONG_MIN’

     ‘limits.h’ (ISO): *note Range of Type::.

‘LLONG_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘LOGIN_PROCESS’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘LONG_LONG_MAX’

     ‘limits.h’ (GNU): *note Range of Type::.

‘LONG_LONG_MIN’

     ‘limits.h’ (GNU): *note Range of Type::.

‘LONG_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘LONG_MIN’

     ‘limits.h’ (ISO): *note Range of Type::.

‘LONG_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘L_INCR’

     ‘sys/file.h’ (BSD): *note File Positioning::.

‘L_SET’

     ‘sys/file.h’ (BSD): *note File Positioning::.

‘L_XTND’

     ‘sys/file.h’ (BSD): *note File Positioning::.

‘int L_ctermid’

     ‘stdio.h’ (POSIX.1): *note Identifying the Terminal::.

‘int L_cuserid’

     ‘stdio.h’ (POSIX.1): *note Who Logged In::.

‘int L_tmpnam’

     ‘stdio.h’ (ISO): *note Temporary Files::.

‘MADV_HUGEPAGE’

     ‘sys/mman.h’ (Linux): *note Memory-mapped I/O::.

‘MAP_ANON’

     ‘sys/mman.h’ (POSIX.1-2024): *note Memory-mapped I/O::.

‘MAP_ANONYMOUS’

     ‘sys/mman.h’ (POSIX.1-2024): *note Memory-mapped I/O::.

‘MAP_HUGETLB’

     ‘sys/mman.h’ (Linux): *note Memory-mapped I/O::.

‘int MAXNAMLEN’

     ‘dirent.h’ (BSD): *note Limits for Files::.

‘int MAXSYMLINKS’

     ‘sys/param.h’ (BSD): *note Symbolic Links::.

‘int MAX_CANON’

     ‘limits.h’ (POSIX.1): *note Limits for Files::.

‘int MAX_INPUT’

     ‘limits.h’ (POSIX.1): *note Limits for Files::.

‘int MB_CUR_MAX’

     ‘stdlib.h’ (ISO): *note Selecting the Conversion::.

‘int MB_LEN_MAX’

     ‘limits.h’ (ISO): *note Selecting the Conversion::.

‘tcflag_t MDMBUF’

     ‘termios.h’ (BSD): *note Control Modes::.

‘MFD_ALLOW_SEALING’

     ‘sys/mman.h’ (Linux): *note Memory-mapped I/O::.

‘MFD_CLOEXEC’

     ‘sys/mman.h’ (Linux): *note Memory-mapped I/O::.

‘MFD_HUGETLB’

     ‘sys/mman.h’ (Linux): *note Memory-mapped I/O::.

‘MLOCK_ONFAULT’

     ‘sys/mman.h’ (Linux): *note Page Lock Functions::.

‘int MSG_DONTROUTE’

     ‘sys/socket.h’ (BSD): *note Socket Data Options::.

‘int MSG_OOB’

     ‘sys/socket.h’ (BSD): *note Socket Data Options::.

‘int MSG_PEEK’

     ‘sys/socket.h’ (BSD): *note Socket Data Options::.

‘int NAME_MAX’

     ‘limits.h’ (POSIX.1): *note Limits for Files::.

‘float NAN’

     ‘math.h’ (GNU): *note Infinity and NaN::.

‘int NCCS’

     ‘termios.h’ (POSIX.1): *note Mode Data Types::.

‘NEW_TIME’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘int NGROUPS_MAX’

     ‘limits.h’ (POSIX.1): *note General Limits::.

‘tcflag_t NOFLSH’

     ‘termios.h’ (POSIX.1): *note Local Modes::.

‘tcflag_t NOKERNINFO’

     ‘termios.h’ _optional_ (BSD): *note Local Modes::.

‘NO_ADDRESS’

     ‘netdb.h’ (BSD): *note Host Names::.

‘NO_RECOVERY’

     ‘netdb.h’ (BSD): *note Host Names::.

‘int NSIG’

     ‘signal.h’ (BSD): *note Standard Signals::.

‘void * NULL’

     ‘stddef.h’ (ISO): *note Null Pointer Constant::.

‘OLD_TIME’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘ONCE_FLAG_INIT’

     ‘threads.h’ (C11): *note Call Once::.

‘tcflag_t ONLCR’

     ‘termios.h’ (POSIX.1): *note Output Modes::.

‘tcflag_t ONOEOT’

     ‘termios.h’ _optional_ (BSD): *note Output Modes::.

‘int OPEN_MAX’

     ‘limits.h’ (POSIX.1): *note General Limits::.

‘tcflag_t OPOST’

     ‘termios.h’ (POSIX.1): *note Output Modes::.

‘OPTION_ALIAS’

     ‘argp.h’ (GNU): *note Argp Option Flags::.

‘OPTION_ARG_OPTIONAL’

     ‘argp.h’ (GNU): *note Argp Option Flags::.

‘OPTION_DOC’

     ‘argp.h’ (GNU): *note Argp Option Flags::.

‘OPTION_HIDDEN’

     ‘argp.h’ (GNU): *note Argp Option Flags::.

‘OPTION_NO_USAGE’

     ‘argp.h’ (GNU): *note Argp Option Flags::.

‘tcflag_t OXTABS’

     ‘termios.h’ _optional_ (BSD): *note Output Modes::.

‘int O_ACCMODE’

     ‘fcntl.h’ (POSIX.1): *note Access Modes::.

‘int O_APPEND’

     ‘fcntl.h’ (POSIX.1): *note Operating Modes::.

‘int O_ASYNC’

     ‘fcntl.h’ (BSD): *note Operating Modes::.

‘int O_CREAT’

     ‘fcntl.h’ (POSIX.1): *note Open-time Flags::.

‘int O_DIRECTORY’

     ‘fcntl.h’ (POSIX.1): *note Open-time Flags::.

‘int O_EXCL’

     ‘fcntl.h’ (POSIX.1): *note Open-time Flags::.

‘int O_EXEC’

     ‘fcntl.h’ _optional_ (GNU): *note Access Modes::.

‘int O_EXLOCK’

     ‘fcntl.h’ _optional_ (BSD): *note Open-time Flags::.

‘int O_FSYNC’

     ‘fcntl.h’ (BSD): *note Operating Modes::.

‘int O_IGNORE_CTTY’

     ‘fcntl.h’ _optional_ (GNU): *note Open-time Flags::.

‘int O_NDELAY’

     ‘fcntl.h’ (BSD): *note Operating Modes::.

‘int O_NOATIME’

     ‘fcntl.h’ (GNU): *note Operating Modes::.

‘int O_NOCTTY’

     ‘fcntl.h’ (POSIX.1): *note Open-time Flags::.

‘int O_NOFOLLOW’

     ‘fcntl.h’ (POSIX.1): *note Open-time Flags::.

‘int O_NOLINK’

     ‘fcntl.h’ _optional_ (GNU): *note Open-time Flags::.

‘int O_NONBLOCK’

     ‘fcntl.h’ (POSIX.1): *note Open-time Flags::.

     ‘fcntl.h’ (POSIX.1): *note Operating Modes::.

‘int O_NOTRANS’

     ‘fcntl.h’ _optional_ (GNU): *note Open-time Flags::.

‘int O_PATH’

     ‘fcntl.h’ (Linux): *note Access Modes::.

‘int O_RDONLY’

     ‘fcntl.h’ (POSIX.1): *note Access Modes::.

‘int O_RDWR’

     ‘fcntl.h’ (POSIX.1): *note Access Modes::.

‘int O_READ’

     ‘fcntl.h’ _optional_ (GNU): *note Access Modes::.

‘int O_SHLOCK’

     ‘fcntl.h’ _optional_ (BSD): *note Open-time Flags::.

‘int O_SYNC’

     ‘fcntl.h’ (BSD): *note Operating Modes::.

‘int O_TMPFILE’

     ‘fcntl.h’ (GNU): *note Open-time Flags::.

‘int O_TRUNC’

     ‘fcntl.h’ (POSIX.1): *note Open-time Flags::.

‘int O_WRITE’

     ‘fcntl.h’ _optional_ (GNU): *note Access Modes::.

‘int O_WRONLY’

     ‘fcntl.h’ (POSIX.1): *note Access Modes::.

‘tcflag_t PARENB’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘tcflag_t PARMRK’

     ‘termios.h’ (POSIX.1): *note Input Modes::.

‘tcflag_t PARODD’

     ‘termios.h’ (POSIX.1): *note Control Modes::.

‘int PATH_MAX’

     ‘limits.h’ (POSIX.1): *note Limits for Files::.

‘PA_CHAR’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_DOUBLE’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_FLAG_LONG’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_FLAG_LONG_DOUBLE’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_FLAG_LONG_LONG’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘int PA_FLAG_MASK’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_FLAG_PTR’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_FLAG_SHORT’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_FLOAT’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_INT’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_LAST’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_POINTER’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘PA_STRING’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘tcflag_t PENDIN’

     ‘termios.h’ (BSD): *note Local Modes::.

‘int PF_FILE’

     ‘sys/socket.h’ (GNU): *note Local Namespace Details::.

‘int PF_INET’

     ‘sys/socket.h’ (BSD): *note Internet Namespace::.

‘int PF_INET6’

     ‘sys/socket.h’ (X/Open): *note Internet Namespace::.

‘int PF_LOCAL’

     ‘sys/socket.h’ (POSIX): *note Local Namespace Details::.

‘int PF_UNIX’

     ‘sys/socket.h’ (BSD): *note Local Namespace Details::.

‘int PIPE_BUF’

     ‘limits.h’ (POSIX.1): *note Limits for Files::.

‘PKEY_DISABLE_ACCESS’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘PKEY_DISABLE_EXECUTE’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘PKEY_DISABLE_READ’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘PKEY_DISABLE_WRITE’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘POSIX_REC_INCR_XFER_SIZE’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘POSIX_REC_MAX_XFER_SIZE’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘POSIX_REC_MIN_XFER_SIZE’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘POSIX_REC_XFER_ALIGN’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘PRIO_MAX’

     ‘sys/resource.h’ (BSD): *note Traditional Scheduling Functions::.

‘PRIO_MIN’

     ‘sys/resource.h’ (BSD): *note Traditional Scheduling Functions::.

‘PRIO_PGRP’

     ‘sys/resource.h’ (BSD): *note Traditional Scheduling Functions::.

‘PRIO_PROCESS’

     ‘sys/resource.h’ (BSD): *note Traditional Scheduling Functions::.

‘PRIO_USER’

     ‘sys/resource.h’ (BSD): *note Traditional Scheduling Functions::.

‘PROT_EXEC’

     ‘sys/mman.h’ (POSIX): *note Memory Protection::.

‘PROT_NONE’

     ‘sys/mman.h’ (POSIX): *note Memory Protection::.

‘PROT_READ’

     ‘sys/mman.h’ (POSIX): *note Memory Protection::.

‘PROT_WRITE’

     ‘sys/mman.h’ (POSIX): *note Memory Protection::.

‘PTRDIFF_WIDTH’

     ‘stdint.h’ (ISO): *note Width of Type::.

‘char * P_tmpdir’

     ‘stdio.h’ (SVID): *note Temporary Files::.

‘int RAND_MAX’

     ‘stdlib.h’ (ISO): *note ISO Random::.

‘REG_BADBR’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_BADPAT’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_BADRPT’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_EBRACE’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_EBRACK’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_ECOLLATE’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_ECTYPE’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_EESCAPE’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_EPAREN’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_ERANGE’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_ESPACE’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

     ‘regex.h’ (POSIX.2): *note Matching POSIX Regexps::.

‘REG_ESUBREG’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘REG_EXTENDED’

     ‘regex.h’ (POSIX.2): *note Flags for POSIX Regexps::.

‘REG_ICASE’

     ‘regex.h’ (POSIX.2): *note Flags for POSIX Regexps::.

‘REG_NEWLINE’

     ‘regex.h’ (POSIX.2): *note Flags for POSIX Regexps::.

‘REG_NOMATCH’

     ‘regex.h’ (POSIX.2): *note Matching POSIX Regexps::.

‘REG_NOSUB’

     ‘regex.h’ (POSIX.2): *note Flags for POSIX Regexps::.

‘REG_NOTBOL’

     ‘regex.h’ (POSIX.2): *note Matching POSIX Regexps::.

‘REG_NOTEOL’

     ‘regex.h’ (POSIX.2): *note Matching POSIX Regexps::.

‘int RE_DUP_MAX’

     ‘limits.h’ (POSIX.2): *note General Limits::.

‘RLIMIT_AS’

     ‘sys/resource.h’ (Unix98): *note Limits on Resources::.

‘RLIMIT_CORE’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘RLIMIT_CPU’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘RLIMIT_DATA’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘RLIMIT_FSIZE’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘RLIMIT_MEMLOCK’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘RLIMIT_NOFILE’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘RLIMIT_NPROC’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘RLIMIT_RSS’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘RLIMIT_STACK’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘rlim_t RLIM_INFINITY’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘RLIM_NLIMITS’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘int RSEQ_SIG’

     ‘sys/rseq.h’ (Linux): *note Restartable Sequences::.

‘RUN_LVL’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘RUSAGE_CHILDREN’

     ‘sys/resource.h’ (BSD): *note Resource Usage::.

‘RUSAGE_SELF’

     ‘sys/resource.h’ (BSD): *note Resource Usage::.

‘int R_OK’

     ‘unistd.h’ (POSIX.1): *note Testing File Access::.

‘int SA_NOCLDSTOP’

     ‘signal.h’ (POSIX.1): *note Flags for Sigaction::.

‘int SA_ONSTACK’

     ‘signal.h’ (BSD): *note Flags for Sigaction::.

‘int SA_RESTART’

     ‘signal.h’ (BSD): *note Flags for Sigaction::.

‘SCHAR_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘SCHAR_MIN’

     ‘limits.h’ (ISO): *note Range of Type::.

‘SCHAR_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘int SEEK_CUR’

     ‘stdio.h’ (ISO): *note File Positioning::.

‘int SEEK_END’

     ‘stdio.h’ (ISO): *note File Positioning::.

‘int SEEK_SET’

     ‘stdio.h’ (ISO): *note File Positioning::.

‘SHRT_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘SHRT_MIN’

     ‘limits.h’ (ISO): *note Range of Type::.

‘SHRT_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘int SIGABRT’

     ‘signal.h’ (ISO): *note Program Error Signals::.

‘int SIGALRM’

     ‘signal.h’ (POSIX.1): *note Alarm Signals::.

‘int SIGBUS’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘int SIGCHLD’

     ‘signal.h’ (POSIX.1): *note Job Control Signals::.

‘int SIGCLD’

     ‘signal.h’ (SVID): *note Job Control Signals::.

‘int SIGCONT’

     ‘signal.h’ (POSIX.1): *note Job Control Signals::.

‘int SIGEMT’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘int SIGFPE’

     ‘signal.h’ (ISO): *note Program Error Signals::.

‘int SIGHUP’

     ‘signal.h’ (POSIX.1): *note Termination Signals::.

‘int SIGILL’

     ‘signal.h’ (ISO): *note Program Error Signals::.

‘int SIGINFO’

     ‘signal.h’ (BSD): *note Miscellaneous Signals::.

‘int SIGINT’

     ‘signal.h’ (ISO): *note Termination Signals::.

‘int SIGIO’

     ‘signal.h’ (BSD): *note Asynchronous I/O Signals::.

‘int SIGIOT’

     ‘signal.h’ (Unix): *note Program Error Signals::.

‘int SIGKILL’

     ‘signal.h’ (POSIX.1): *note Termination Signals::.

‘int SIGLOST’

     ‘signal.h’ (GNU): *note Operation Error Signals::.

‘int SIGPIPE’

     ‘signal.h’ (POSIX.1): *note Operation Error Signals::.

‘int SIGPOLL’

     ‘signal.h’ (SVID): *note Asynchronous I/O Signals::.

‘int SIGPROF’

     ‘signal.h’ (BSD): *note Alarm Signals::.

‘int SIGQUIT’

     ‘signal.h’ (POSIX.1): *note Termination Signals::.

‘int SIGSEGV’

     ‘signal.h’ (ISO): *note Program Error Signals::.

‘int SIGSTOP’

     ‘signal.h’ (POSIX.1): *note Job Control Signals::.

‘int SIGSYS’

     ‘signal.h’ (Unix): *note Program Error Signals::.

‘int SIGTERM’

     ‘signal.h’ (ISO): *note Termination Signals::.

‘int SIGTRAP’

     ‘signal.h’ (BSD): *note Program Error Signals::.

‘int SIGTSTP’

     ‘signal.h’ (POSIX.1): *note Job Control Signals::.

‘int SIGTTIN’

     ‘signal.h’ (POSIX.1): *note Job Control Signals::.

‘int SIGTTOU’

     ‘signal.h’ (POSIX.1): *note Job Control Signals::.

‘int SIGURG’

     ‘signal.h’ (BSD): *note Asynchronous I/O Signals::.

‘int SIGUSR1’

     ‘signal.h’ (POSIX.1): *note Miscellaneous Signals::.

‘int SIGUSR2’

     ‘signal.h’ (POSIX.1): *note Miscellaneous Signals::.

‘int SIGVTALRM’

     ‘signal.h’ (BSD): *note Alarm Signals::.

‘int SIGWINCH’

     ‘signal.h’ (POSIX.1-2024): *note Miscellaneous Signals::.

‘int SIGXCPU’

     ‘signal.h’ (BSD): *note Operation Error Signals::.

‘int SIGXFSZ’

     ‘signal.h’ (BSD): *note Operation Error Signals::.

‘SIG_ATOMIC_WIDTH’

     ‘stdint.h’ (ISO): *note Width of Type::.

‘SIG_BLOCK’

     ‘signal.h’ (POSIX.1): *note Process Signal Mask::.

‘sighandler_t SIG_ERR’

     ‘signal.h’ (ISO): *note Basic Signal Handling::.

‘SIG_SETMASK’

     ‘signal.h’ (POSIX.1): *note Process Signal Mask::.

‘SIG_UNBLOCK’

     ‘signal.h’ (POSIX.1): *note Process Signal Mask::.

‘SIZE_WIDTH’

     ‘stdint.h’ (ISO): *note Width of Type::.

‘double SNAN’

     ‘math.h’ (TS 18661-1:2014): *note Infinity and NaN::.

‘float SNANF’

     ‘math.h’ (TS 18661-1:2014): *note Infinity and NaN::.

‘_FloatN SNANFN’

     ‘math.h’ (TS 18661-3:2015): *note Infinity and NaN::.

‘_FloatNx SNANFNx’

     ‘math.h’ (TS 18661-3:2015): *note Infinity and NaN::.

‘long double SNANL’

     ‘math.h’ (TS 18661-1:2014): *note Infinity and NaN::.

‘int SOCK_DGRAM’

     ‘sys/socket.h’ (BSD): *note Communication Styles::.

‘int SOCK_RAW’

     ‘sys/socket.h’ (BSD): *note Communication Styles::.

‘int SOCK_STREAM’

     ‘sys/socket.h’ (BSD): *note Communication Styles::.

‘int SOL_SOCKET’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_BROADCAST’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_DEBUG’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_DONTROUTE’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_ERROR’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_KEEPALIVE’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_LINGER’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_OOBINLINE’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_RCVBUF’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_REUSEADDR’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_SNDBUF’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘SO_STYLE’

     ‘sys/socket.h’ (GNU): *note Socket-Level Options::.

‘SO_TYPE’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘speed_t SPEED_MAX’

     ‘termios.h’ (GNU): *note Line Speed::.

‘ssize_t SSIZE_MAX’

     ‘limits.h’ (POSIX.1): *note General Limits::.

‘STDERR_FILENO’

     ‘unistd.h’ (POSIX.1): *note Descriptors and Streams::.

‘STDIN_FILENO’

     ‘unistd.h’ (POSIX.1): *note Descriptors and Streams::.

‘STDOUT_FILENO’

     ‘unistd.h’ (POSIX.1): *note Descriptors and Streams::.

‘int STREAM_MAX’

     ‘limits.h’ (POSIX.1): *note General Limits::.

‘int SUN_LEN (_struct sockaddr_un *_ PTR)’

     ‘sys/un.h’ (BSD): *note Local Namespace Details::.

‘SYMLINK_MAX’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘S_IEXEC’

     ‘sys/stat.h’ (BSD): *note Permission Bits::.

‘S_IFBLK’

     ‘sys/stat.h’ (BSD): *note Testing File Type::.

‘S_IFCHR’

     ‘sys/stat.h’ (BSD): *note Testing File Type::.

‘S_IFDIR’

     ‘sys/stat.h’ (BSD): *note Testing File Type::.

‘S_IFIFO’

     ‘sys/stat.h’ (BSD): *note Testing File Type::.

‘S_IFLNK’

     ‘sys/stat.h’ (BSD): *note Testing File Type::.

‘int S_IFMT’

     ‘sys/stat.h’ (BSD): *note Testing File Type::.

‘S_IFREG’

     ‘sys/stat.h’ (BSD): *note Testing File Type::.

‘S_IFSOCK’

     ‘sys/stat.h’ (BSD): *note Testing File Type::.

‘S_IREAD’

     ‘sys/stat.h’ (BSD): *note Permission Bits::.

‘S_IRGRP’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IROTH’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IRUSR’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IRWXG’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IRWXO’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IRWXU’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘int S_ISBLK (mode_t M)’

     ‘sys/stat.h’ (POSIX): *note Testing File Type::.

‘int S_ISCHR (mode_t M)’

     ‘sys/stat.h’ (POSIX): *note Testing File Type::.

‘int S_ISDIR (mode_t M)’

     ‘sys/stat.h’ (POSIX): *note Testing File Type::.

‘int S_ISFIFO (mode_t M)’

     ‘sys/stat.h’ (POSIX): *note Testing File Type::.

‘S_ISGID’

     ‘sys/stat.h’ (POSIX): *note Permission Bits::.

‘int S_ISLNK (mode_t M)’

     ‘sys/stat.h’ (GNU): *note Testing File Type::.

‘int S_ISREG (mode_t M)’

     ‘sys/stat.h’ (POSIX): *note Testing File Type::.

‘int S_ISSOCK (mode_t M)’

     ‘sys/stat.h’ (GNU): *note Testing File Type::.

‘S_ISUID’

     ‘sys/stat.h’ (POSIX): *note Permission Bits::.

‘S_ISVTX’

     ‘sys/stat.h’ (BSD): *note Permission Bits::.

‘S_IWGRP’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IWOTH’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IWRITE’

     ‘sys/stat.h’ (BSD): *note Permission Bits::.

‘S_IWUSR’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IXGRP’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IXOTH’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘S_IXUSR’

     ‘sys/stat.h’ (POSIX.1): *note Permission Bits::.

‘int S_TYPEISMQ (struct stat *S)’

     ‘sys/stat.h’ (POSIX): *note Testing File Type::.

‘int S_TYPEISSEM (struct stat *S)’

     ‘sys/stat.h’ (POSIX): *note Testing File Type::.

‘int S_TYPEISSHM (struct stat *S)’

     ‘sys/stat.h’ (POSIX): *note Testing File Type::.

‘TCSADRAIN’

     ‘termios.h’ (POSIX.1): *note Mode Functions::.

‘TCSAFLUSH’

     ‘termios.h’ (POSIX.1): *note Mode Functions::.

‘TCSANOW’

     ‘termios.h’ (POSIX.1): *note Mode Functions::.

‘TCSASOFT’

     ‘termios.h’ (BSD): *note Mode Functions::.

‘TEMP_FAILURE_RETRY (EXPRESSION)’

     ‘unistd.h’ (GNU): *note Interrupted Primitives::.

‘int TIME_UTC’

     ‘time.h’ (ISO): *note Getting the Time::.

‘int TMP_MAX’

     ‘stdio.h’ (ISO): *note Temporary Files::.

‘tcflag_t TOSTOP’

     ‘termios.h’ (POSIX.1): *note Local Modes::.

‘TRY_AGAIN’

     ‘netdb.h’ (BSD): *note Host Names::.

‘TSS_DTOR_ITERATIONS’

     ‘threads.h’ (C11): *note ISO C Thread-local Storage::.

‘int TZNAME_MAX’

     ‘limits.h’ (POSIX.1): *note General Limits::.

‘UCHAR_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘UCHAR_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘UINTPTR_WIDTH’

     ‘stdint.h’ (ISO): *note Width of Type::.

‘UINT_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘UINT_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘ULLONG_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘ULLONG_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘ULONG_LONG_MAX’

     ‘limits.h’ (GNU): *note Range of Type::.

‘ULONG_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘ULONG_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘USER_PROCESS’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘USHRT_MAX’

     ‘limits.h’ (ISO): *note Range of Type::.

‘USHRT_WIDTH’

     ‘limits.h’ (ISO): *note Width of Type::.

‘int VDISCARD’

     ‘termios.h’ (BSD): *note Other Special::.

‘int VDSUSP’

     ‘termios.h’ (BSD): *note Signal Characters::.

‘int VEOF’

     ‘termios.h’ (POSIX.1): *note Editing Characters::.

‘int VEOL’

     ‘termios.h’ (POSIX.1): *note Editing Characters::.

‘int VEOL2’

     ‘termios.h’ (BSD): *note Editing Characters::.

‘int VERASE’

     ‘termios.h’ (POSIX.1): *note Editing Characters::.

‘int VINTR’

     ‘termios.h’ (POSIX.1): *note Signal Characters::.

‘int VKILL’

     ‘termios.h’ (POSIX.1): *note Editing Characters::.

‘int VLNEXT’

     ‘termios.h’ (BSD): *note Other Special::.

‘int VMIN’

     ‘termios.h’ (POSIX.1): *note Noncanonical Input::.

‘int VQUIT’

     ‘termios.h’ (POSIX.1): *note Signal Characters::.

‘int VREPRINT’

     ‘termios.h’ (BSD): *note Editing Characters::.

‘int VSTART’

     ‘termios.h’ (POSIX.1): *note Start/Stop Characters::.

‘int VSTATUS’

     ‘termios.h’ (BSD): *note Other Special::.

‘int VSTOP’

     ‘termios.h’ (POSIX.1): *note Start/Stop Characters::.

‘int VSUSP’

     ‘termios.h’ (POSIX.1): *note Signal Characters::.

‘int VTIME’

     ‘termios.h’ (POSIX.1): *note Noncanonical Input::.

‘int VWERASE’

     ‘termios.h’ (BSD): *note Editing Characters::.

‘WCHAR_MAX’

     ‘limits.h’ (GNU): *note Range of Type::.

‘wint_t WCHAR_MAX’

     ‘wchar.h’ (ISO): *note Extended Char Intro::.

‘wint_t WCHAR_MIN’

     ‘wchar.h’ (ISO): *note Extended Char Intro::.

‘WCHAR_WIDTH’

     ‘stdint.h’ (ISO): *note Width of Type::.

‘int WCOREDUMP (int STATUS)’

     ‘sys/wait.h’ (POSIX.1-2024): *note Process Completion Status::.

‘int WEOF’

     ‘wchar.h’ (ISO): *note EOF and Errors::.

‘wint_t WEOF’

     ‘wchar.h’ (ISO): *note Extended Char Intro::.

‘int WEXITSTATUS (int STATUS)’

     ‘sys/wait.h’ (POSIX.1): *note Process Completion Status::.

‘int WIFEXITED (int STATUS)’

     ‘sys/wait.h’ (POSIX.1): *note Process Completion Status::.

‘int WIFSIGNALED (int STATUS)’

     ‘sys/wait.h’ (POSIX.1): *note Process Completion Status::.

‘int WIFSTOPPED (int STATUS)’

     ‘sys/wait.h’ (POSIX.1): *note Process Completion Status::.

‘WINT_WIDTH’

     ‘stdint.h’ (ISO): *note Width of Type::.

‘WRDE_APPEND’

     ‘wordexp.h’ (POSIX.2): *note Flags for Wordexp::.

‘WRDE_BADCHAR’

     ‘wordexp.h’ (POSIX.2): *note Calling Wordexp::.

‘WRDE_BADVAL’

     ‘wordexp.h’ (POSIX.2): *note Calling Wordexp::.

‘WRDE_CMDSUB’

     ‘wordexp.h’ (POSIX.2): *note Calling Wordexp::.

‘WRDE_DOOFFS’

     ‘wordexp.h’ (POSIX.2): *note Flags for Wordexp::.

‘WRDE_NOCMD’

     ‘wordexp.h’ (POSIX.2): *note Flags for Wordexp::.

‘WRDE_NOSPACE’

     ‘wordexp.h’ (POSIX.2): *note Calling Wordexp::.

‘WRDE_REUSE’

     ‘wordexp.h’ (POSIX.2): *note Flags for Wordexp::.

‘WRDE_SHOWERR’

     ‘wordexp.h’ (POSIX.2): *note Flags for Wordexp::.

‘WRDE_SYNTAX’

     ‘wordexp.h’ (POSIX.2): *note Calling Wordexp::.

‘WRDE_UNDEF’

     ‘wordexp.h’ (POSIX.2): *note Flags for Wordexp::.

‘int WSTOPSIG (int STATUS)’

     ‘sys/wait.h’ (POSIX.1): *note Process Completion Status::.

‘int WTERMSIG (int STATUS)’

     ‘sys/wait.h’ (POSIX.1): *note Process Completion Status::.

‘int W_OK’

     ‘unistd.h’ (POSIX.1): *note Testing File Access::.

‘int X_OK’

     ‘unistd.h’ (POSIX.1): *note Testing File Access::.

‘_ATFILE_SOURCE’

     _no header_ (GNU): *note Feature Test Macros::.

‘_CS_LFS64_CFLAGS’

     ‘unistd.h’ (Unix98): *note String Parameters::.

‘_CS_LFS64_LDFLAGS’

     ‘unistd.h’ (Unix98): *note String Parameters::.

‘_CS_LFS64_LIBS’

     ‘unistd.h’ (Unix98): *note String Parameters::.

‘_CS_LFS64_LINTFLAGS’

     ‘unistd.h’ (Unix98): *note String Parameters::.

‘_CS_LFS_CFLAGS’

     ‘unistd.h’ (Unix98): *note String Parameters::.

‘_CS_LFS_LDFLAGS’

     ‘unistd.h’ (Unix98): *note String Parameters::.

‘_CS_LFS_LIBS’

     ‘unistd.h’ (Unix98): *note String Parameters::.

‘_CS_LFS_LINTFLAGS’

     ‘unistd.h’ (Unix98): *note String Parameters::.

‘_CS_PATH’

     ‘unistd.h’ (POSIX.2): *note String Parameters::.

‘const float complex _Complex_I’

     ‘complex.h’ (C99): *note Complex Numbers::.

‘_DEFAULT_SOURCE’

     _no header_ (GNU): *note Feature Test Macros::.

‘_DYNAMIC_STACK_SIZE_SOURCE’

     _no header_ (GNU): *note Feature Test Macros::.

‘void _Exit (int STATUS)’

     ‘stdlib.h’ (ISO): *note Termination Internals::.

‘_FILE_OFFSET_BITS’

     _no header_ (X/Open): *note Feature Test Macros::.

‘_FORTIFY_SOURCE’

     _no header_ (GNU): *note Feature Test Macros::.

‘pid_t _Fork (void)’

     ‘unistd.h’ (POSIX.1-2024): *note Creating a Process::.

‘_GNU_SOURCE’

     _no header_ (GNU): *note Feature Test Macros::.

‘int _IOFBF’

     ‘stdio.h’ (ISO): *note Controlling Buffering::.

‘int _IOLBF’

     ‘stdio.h’ (ISO): *note Controlling Buffering::.

‘int _IONBF’

     ‘stdio.h’ (ISO): *note Controlling Buffering::.

‘_ISOC11_SOURCE’

     _no header_ (C11): *note Feature Test Macros::.

‘_ISOC23_SOURCE’

     _no header_ (C23): *note Feature Test Macros::.

‘_ISOC2Y_SOURCE’

     _no header_ (C2Y): *note Feature Test Macros::.

‘_ISOC99_SOURCE’

     _no header_ (GNU): *note Feature Test Macros::.

‘_LARGEFILE64_SOURCE’

     _no header_ (X/Open): *note Feature Test Macros::.

‘_LARGEFILE_SOURCE’

     _no header_ (X/Open): *note Feature Test Macros::.

‘_PC_ASYNC_IO’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_CHOWN_RESTRICTED’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_FILESIZEBITS’

     ‘unistd.h’ (LFS): *note Pathconf::.

‘_PC_LINK_MAX’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_MAX_CANON’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_MAX_INPUT’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_NAME_MAX’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_NO_TRUNC’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_PATH_MAX’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_PIPE_BUF’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_PRIO_IO’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_REC_INCR_XFER_SIZE’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_REC_MAX_XFER_SIZE’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_REC_MIN_XFER_SIZE’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_REC_XFER_ALIGN’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_SYNC_IO’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_PC_VDISABLE’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘_POSIX2_BC_BASE_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Minimums::.

‘_POSIX2_BC_DIM_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Minimums::.

‘_POSIX2_BC_SCALE_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Minimums::.

‘_POSIX2_BC_STRING_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Minimums::.

‘_POSIX2_COLL_WEIGHTS_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Minimums::.

‘int _POSIX2_C_DEV’

     ‘unistd.h’ (POSIX.2): *note System Options::.

‘long int _POSIX2_C_VERSION’

     ‘unistd.h’ (POSIX.2): *note Version Supported::.

‘_POSIX2_EQUIV_CLASS_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Minimums::.

‘_POSIX2_EXPR_NEST_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Minimums::.

‘int _POSIX2_FORT_DEV’

     ‘unistd.h’ (POSIX.2): *note System Options::.

‘int _POSIX2_FORT_RUN’

     ‘unistd.h’ (POSIX.2): *note System Options::.

‘_POSIX2_LINE_MAX’

     ‘limits.h’ (POSIX.2): *note Utility Minimums::.

‘int _POSIX2_LOCALEDEF’

     ‘unistd.h’ (POSIX.2): *note System Options::.

‘_POSIX2_RE_DUP_MAX’

     ‘limits.h’ (POSIX.2): *note Minimums::.

‘int _POSIX2_SW_DEV’

     ‘unistd.h’ (POSIX.2): *note System Options::.

‘_POSIX_AIO_LISTIO_MAX’

     ‘limits.h’ (POSIX.1): *note Minimums::.

‘_POSIX_AIO_MAX’

     ‘limits.h’ (POSIX.1): *note Minimums::.

‘_POSIX_ARG_MAX’

     ‘limits.h’ (POSIX.1): *note Minimums::.

‘_POSIX_CHILD_MAX’

     ‘limits.h’ (POSIX.1): *note Minimums::.

‘int _POSIX_CHOWN_RESTRICTED’

     ‘unistd.h’ (POSIX.1): *note Options for Files::.

‘_POSIX_C_SOURCE’

     _no header_ (POSIX.2): *note Feature Test Macros::.

‘int _POSIX_JOB_CONTROL’

     ‘unistd.h’ (POSIX.1): *note System Options::.

‘_POSIX_LINK_MAX’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘_POSIX_MAX_CANON’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘_POSIX_MAX_INPUT’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘_POSIX_NAME_MAX’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘_POSIX_NGROUPS_MAX’

     ‘limits.h’ (POSIX.1): *note Minimums::.

‘int _POSIX_NO_TRUNC’

     ‘unistd.h’ (POSIX.1): *note Options for Files::.

‘_POSIX_OPEN_MAX’

     ‘limits.h’ (POSIX.1): *note Minimums::.

‘_POSIX_PATH_MAX’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘_POSIX_PIPE_BUF’

     ‘limits.h’ (POSIX.1): *note File Minimums::.

‘int _POSIX_SAVED_IDS’

     ‘unistd.h’ (POSIX.1): *note System Options::.

‘_POSIX_SOURCE’

     _no header_ (POSIX.1): *note Feature Test Macros::.

‘_POSIX_SSIZE_MAX’

     ‘limits.h’ (POSIX.1): *note Minimums::.

‘_POSIX_STREAM_MAX’

     ‘limits.h’ (POSIX.1): *note Minimums::.

‘_POSIX_TZNAME_MAX’

     ‘limits.h’ (POSIX.1): *note Minimums::.

‘unsigned char _POSIX_VDISABLE’

     ‘unistd.h’ (POSIX.1): *note Options for Files::.

‘long int _POSIX_VERSION’

     ‘unistd.h’ (POSIX.1): *note Version Supported::.

‘_REENTRANT’

     _no header_ (Obsolete): *note Feature Test Macros::.

‘_SC_2_C_DEV’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_2_FORT_DEV’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_2_FORT_RUN’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_2_LOCALEDEF’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_2_SW_DEV’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_2_VERSION’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_AIO_LISTIO_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_AIO_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_AIO_PRIO_DELTA_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_ARG_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_ASYNCHRONOUS_IO’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_ATEXIT_MAX’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_AVPHYS_PAGES’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_BC_BASE_MAX’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_BC_DIM_MAX’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_BC_SCALE_MAX’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_BC_STRING_MAX’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_CHARCLASS_NAME_MAX’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_CHAR_BIT’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_CHAR_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_CHAR_MIN’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_CHILD_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_CLK_TCK’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_COLL_WEIGHTS_MAX’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_DELAYTIMER_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_EQUIV_CLASS_MAX’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_EXPR_NEST_MAX’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_FSYNC’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_GETGR_R_SIZE_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_GETPW_R_SIZE_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_INT_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_INT_MIN’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_JOB_CONTROL’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_LEVEL1_DCACHE_ASSOC’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL1_DCACHE_LINESIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL1_DCACHE_SIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL1_ICACHE_ASSOC’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL1_ICACHE_LINESIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL1_ICACHE_SIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL2_CACHE_ASSOC’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL2_CACHE_LINESIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL2_CACHE_SIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL3_CACHE_ASSOC’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL3_CACHE_LINESIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL3_CACHE_SIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL4_CACHE_ASSOC’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL4_CACHE_LINESIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LEVEL4_CACHE_SIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_LINE_MAX’

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_LOGIN_NAME_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_LONG_BIT’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_MAPPED_FILES’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_MB_LEN_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_MEMLOCK’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_MEMLOCK_RANGE’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_MEMORY_PROTECTION’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_MESSAGE_PASSING’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_MINSIGSTKSZ’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_MQ_OPEN_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_MQ_PRIO_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_NGROUPS_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_NL_ARGMAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_NL_LANGMAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_NL_MSGMAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_NL_NMAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_NL_SETMAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_NL_TEXTMAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_NPROCESSORS_CONF’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_NPROCESSORS_ONLN’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_NZERO’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_OPEN_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_PAGESIZE’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_PHYS_PAGES’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_PII’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PII_INTERNET’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PII_INTERNET_DGRAM’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PII_INTERNET_STREAM’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PII_OSI’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PII_OSI_CLTS’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PII_OSI_COTS’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PII_OSI_M’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PII_SOCKET’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PII_XTI’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_PRIORITIZED_IO’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_PRIORITY_SCHEDULING’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_REALTIME_SIGNALS’

     ‘unistdh.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_RTSIG_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_SAVED_IDS’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_SCHAR_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_SCHAR_MIN’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_SELECT’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_SEMAPHORES’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_SEM_NSEMS_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_SEM_VALUE_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_SHARED_MEMORY_OBJECTS’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_SHRT_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_SHRT_MIN’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_SIGQUEUE_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_SIGSTKSZ’

     ‘unistd.h’ (GNU): *note Constants for Sysconf::.

‘_SC_SSIZE_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_STREAM_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_SYNCHRONIZED_IO’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREADS’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_ATTR_STACKADDR’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_ATTR_STACKSIZE’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_DESTRUCTOR_ITERATIONS’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_KEYS_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_PRIORITY_SCHEDULING’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_PRIO_INHERIT’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_PRIO_PROTECT’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_PROCESS_SHARED’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_SAFE_FUNCTIONS’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_STACK_MIN’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_THREAD_THREADS_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_TIMERS’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_TIMER_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_TTY_NAME_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_TZNAME_MAX’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

‘_SC_T_IOV_MAX’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_UCHAR_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_UINT_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_UIO_MAXIOV’

     ‘unistd.h’ (POSIX.1g): *note Constants for Sysconf::.

‘_SC_ULONG_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_USHRT_MAX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_VERSION’

     ‘unistd.h’ (POSIX.1): *note Constants for Sysconf::.

     ‘unistd.h’ (POSIX.2): *note Constants for Sysconf::.

‘_SC_WORD_BIT’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_CRYPT’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_ENH_I18N’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_LEGACY’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_REALTIME’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_REALTIME_THREADS’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_SHM’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_UNIX’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_VERSION’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_XCU_VERSION’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_XPG2’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_XPG3’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_SC_XOPEN_XPG4’

     ‘unistd.h’ (X/Open): *note Constants for Sysconf::.

‘_THREAD_SAFE’

     _no header_ (Obsolete): *note Feature Test Macros::.

‘_XOPEN_SOURCE’

     _no header_ (X/Open): *note Feature Test Macros::.

‘_XOPEN_SOURCE_EXTENDED’

     _no header_ (X/Open): *note Feature Test Macros::.

‘__STDC_WANT_IEC_60559_BFP_EXT__’

     _no header_ (ISO): *note Feature Test Macros::.

‘__STDC_WANT_IEC_60559_EXT__’

     _no header_ (ISO): *note Feature Test Macros::.

‘__STDC_WANT_IEC_60559_FUNCS_EXT__’

     _no header_ (ISO): *note Feature Test Macros::.

‘__STDC_WANT_IEC_60559_TYPES_EXT__’

     _no header_ (ISO): *note Feature Test Macros::.

‘__STDC_WANT_LIB_EXT2__’

     _no header_ (ISO): *note Feature Test Macros::.

‘size_t __fbufsize (FILE *STREAM)’

     ‘stdio_ext.h’ (GNU): *note Controlling Buffering::.

‘int __flbf (FILE *STREAM)’

     ‘stdio_ext.h’ (GNU): *note Controlling Buffering::.

‘size_t __fpending (FILE *STREAM)’

     ‘stdio_ext.h’ (GNU): *note Controlling Buffering::.

‘void __fpurge (FILE *STREAM)’

     ‘stdio_ext.h’ (GNU): *note Flushing Buffers::.

‘int __freadable (FILE *STREAM)’

     ‘stdio_ext.h’ (GNU): *note Opening Streams::.

‘int __freading (FILE *STREAM)’

     ‘stdio_ext.h’ (GNU): *note Opening Streams::.

‘int __fsetlocking (FILE *STREAM, int TYPE)’

     ‘stdio_ext.h’ (GNU): *note Streams and Threads::.

‘__ftw64_func_t’

     ‘ftw.h’ (GNU): *note Working with Directory Trees::.

‘__ftw_func_t’

     ‘ftw.h’ (GNU): *note Working with Directory Trees::.

‘int __fwritable (FILE *STREAM)’

     ‘stdio_ext.h’ (GNU): *note Opening Streams::.

‘int __fwriting (FILE *STREAM)’

     ‘stdio_ext.h’ (GNU): *note Opening Streams::.

‘void (*__gconv_end_fct) (struct gconv_step *)’

     ‘gconv.h’ (GNU): *note glibc iconv Implementation::.

‘int (*__gconv_fct) (struct __gconv_step *, struct __gconv_step_data *, const char **, const char *, size_t *, int)’

     ‘gconv.h’ (GNU): *note glibc iconv Implementation::.

‘int (*__gconv_init_fct) (struct __gconv_step *)’

     ‘gconv.h’ (GNU): *note glibc iconv Implementation::.

‘struct __gconv_step’

     ‘gconv.h’ (GNU): *note glibc iconv Implementation::.

‘struct __gconv_step_data’

     ‘gconv.h’ (GNU): *note glibc iconv Implementation::.

‘char __libc_single_threaded’

     ‘sys/single_threaded.h’ (GNU): *note Single-Threaded::.

‘__nftw64_func_t’

     ‘ftw.h’ (GNU): *note Working with Directory Trees::.

‘__nftw_func_t’

     ‘ftw.h’ (GNU): *note Working with Directory Trees::.

‘unsigned int __rseq_flags’

     ‘sys/rseq.h’ (Linux): *note Restartable Sequences::.

‘ptrdiff_t __rseq_offset’

     ‘sys/rseq.h’ (Linux): *note Restartable Sequences::.

‘unsigned int __rseq_size’

     ‘sys/rseq.h’ (Linux): *note Restartable Sequences::.

‘void __va_copy (va_list DEST, va_list SRC)’

     ‘stdarg.h’ (GNU): *note Argument Macros::.

‘int _dl_find_object (void *ADDRESS, struct dl_find_object *RESULT)’

     ‘dlfcn.h’ (GNU): *note Dynamic Linker Introspection::.

‘void _exit (int STATUS)’

     ‘unistd.h’ (POSIX.1): *note Termination Internals::.

‘void _flushlbf (void)’

     ‘stdio_ext.h’ (GNU): *note Flushing Buffers::.

‘int _tolower (int C)’

     ‘ctype.h’ (SVID): *note Case Conversion::.

‘int _toupper (int C)’

     ‘ctype.h’ (SVID): *note Case Conversion::.

‘long int a64l (const char *STRING)’

     ‘stdlib.h’ (XPG): *note Encode Binary Data::.

‘void abort (void)’

     ‘stdlib.h’ (ISO): *note Aborting a Program::.

‘int abs (int NUMBER)’

     ‘stdlib.h’ (ISO): *note Absolute Value::.

‘int accept (int SOCKET, struct sockaddr *ADDR, socklen_t *LENGTH_PTR)’

     ‘sys/socket.h’ (BSD): *note Accepting Connections::.

‘int access (const char *FILENAME, int HOW)’

     ‘unistd.h’ (POSIX.1): *note Testing File Access::.

‘double acos (double X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘float acosf (float X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘_FloatN acosfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘_FloatNx acosfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘double acosh (double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘float acoshf (float X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘_FloatN acoshfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘_FloatNx acoshfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘long double acoshl (long double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘long double acosl (long double X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘double acospi (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘float acospif (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘_FloatN acospifN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘_FloatNx acospifNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘long double acospil (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘int addmntent (FILE *STREAM, const struct mntent *MNT)’

     ‘mntent.h’ (BSD): *note mtab::.

‘int adjtime (const struct timeval *DELTA, struct timeval *OLDDELTA)’

     ‘sys/time.h’ (BSD): *note Setting and Adjusting the Time::.

‘int adjtimex (struct timex *TIMEX)’

     ‘sys/timex.h’ (GNU): *note Setting and Adjusting the Time::.

‘int aio_cancel (int FILDES, struct aiocb *AIOCBP)’

     ‘aio.h’ (POSIX.1b): *note Cancel AIO Operations::.

‘int aio_cancel64 (int FILDES, struct aiocb64 *AIOCBP)’

     ‘aio.h’ (Unix98): *note Cancel AIO Operations::.

‘int aio_error (const struct aiocb *AIOCBP)’

     ‘aio.h’ (POSIX.1b): *note Status of AIO Operations::.

‘int aio_error64 (const struct aiocb64 *AIOCBP)’

     ‘aio.h’ (Unix98): *note Status of AIO Operations::.

‘int aio_fsync (int OP, struct aiocb *AIOCBP)’

     ‘aio.h’ (POSIX.1b): *note Synchronizing AIO Operations::.

‘int aio_fsync64 (int OP, struct aiocb64 *AIOCBP)’

     ‘aio.h’ (Unix98): *note Synchronizing AIO Operations::.

‘void aio_init (const struct aioinit *INIT)’

     ‘aio.h’ (GNU): *note Configuration of AIO::.

‘int aio_read (struct aiocb *AIOCBP)’

     ‘aio.h’ (POSIX.1b): *note Asynchronous Reads/Writes::.

‘int aio_read64 (struct aiocb64 *AIOCBP)’

     ‘aio.h’ (Unix98): *note Asynchronous Reads/Writes::.

‘ssize_t aio_return (struct aiocb *AIOCBP)’

     ‘aio.h’ (POSIX.1b): *note Status of AIO Operations::.

‘ssize_t aio_return64 (struct aiocb64 *AIOCBP)’

     ‘aio.h’ (Unix98): *note Status of AIO Operations::.

‘int aio_suspend (const struct aiocb *const LIST[], int NENT, const struct timespec *TIMEOUT)’

     ‘aio.h’ (POSIX.1b): *note Synchronizing AIO Operations::.

‘int aio_suspend64 (const struct aiocb64 *const LIST[], int NENT, const struct timespec *TIMEOUT)’

     ‘aio.h’ (Unix98): *note Synchronizing AIO Operations::.

‘int aio_write (struct aiocb *AIOCBP)’

     ‘aio.h’ (POSIX.1b): *note Asynchronous Reads/Writes::.

‘int aio_write64 (struct aiocb64 *AIOCBP)’

     ‘aio.h’ (Unix98): *note Asynchronous Reads/Writes::.

‘struct aiocb’

     ‘aio.h’ (POSIX.1b): *note Asynchronous I/O::.

‘struct aiocb64’

     ‘aio.h’ (POSIX.1b): *note Asynchronous I/O::.

‘struct aioinit’

     ‘aio.h’ (GNU): *note Configuration of AIO::.

‘unsigned int alarm (unsigned int SECONDS)’

     ‘unistd.h’ (POSIX.1): *note Setting an Alarm::.

‘void * aligned_alloc (size_t ALIGNMENT, size_t SIZE)’

     ‘stdlib.h’ (???): *note Aligned Memory Blocks::.

‘void * alloca (size_t SIZE)’

     ‘stdlib.h’ (GNU): *note Variable Size Automatic::.

     ‘stdlib.h’ (BSD): *note Variable Size Automatic::.

‘int alphasort (const struct dirent **A, const struct dirent **B)’

     ‘dirent.h’ (BSD): *note Scanning Directory Content::.

     ‘dirent.h’ (SVID): *note Scanning Directory Content::.

‘int alphasort64 (const struct dirent64 **A, const struct dirent **B)’

     ‘dirent.h’ (GNU): *note Scanning Directory Content::.

‘uint32_t arc4random (void)’

     ‘stdlib.h’ (BSD): *note High Quality Random::.

‘void arc4random_buf (void *BUFFER, size_t LENGTH)’

     ‘stdlib.h’ (BSD): *note High Quality Random::.

‘uint32_t arc4random_uniform (uint32_t UPPER_BOUND)’

     ‘stdlib.h’ (BSD): *note High Quality Random::.

‘struct argp’

     ‘argp.h’ (GNU): *note Argp Parsers::.

‘struct argp_child’

     ‘argp.h’ (GNU): *note Argp Children::.

‘error_t argp_err_exit_status’

     ‘argp.h’ (GNU): *note Argp Global Variables::.

‘void argp_error (const struct argp_state *STATE, const char *FMT, ...)’

     ‘argp.h’ (GNU): *note Argp Helper Functions::.

‘void argp_failure (const struct argp_state *STATE, int STATUS, int ERRNUM, const char *FMT, ...)’

     ‘argp.h’ (GNU): *note Argp Helper Functions::.

‘void argp_help (const struct argp *ARGP, FILE *STREAM, unsigned FLAGS, char *NAME)’

     ‘argp.h’ (GNU): *note Argp Help::.

‘struct argp_option’

     ‘argp.h’ (GNU): *note Argp Option Vectors::.

‘error_t argp_parse (const struct argp *ARGP, int ARGC, char **ARGV, unsigned FLAGS, int *ARG_INDEX, void *INPUT)’

     ‘argp.h’ (GNU): *note Argp::.

‘const char * argp_program_bug_address’

     ‘argp.h’ (GNU): *note Argp Global Variables::.

‘const char * argp_program_version’

     ‘argp.h’ (GNU): *note Argp Global Variables::.

‘argp_program_version_hook’

     ‘argp.h’ (GNU): *note Argp Global Variables::.

‘struct argp_state’

     ‘argp.h’ (GNU): *note Argp Parsing State::.

‘void argp_state_help (const struct argp_state *STATE, FILE *STREAM, unsigned FLAGS)’

     ‘argp.h’ (GNU): *note Argp Helper Functions::.

‘void argp_usage (const struct argp_state *STATE)’

     ‘argp.h’ (GNU): *note Argp Helper Functions::.

‘error_t argz_add (char **ARGZ, size_t *ARGZ_LEN, const char *STR)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘error_t argz_add_sep (char **ARGZ, size_t *ARGZ_LEN, const char *STR, int DELIM)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘error_t argz_append (char **ARGZ, size_t *ARGZ_LEN, const char *BUF, size_t BUF_LEN)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘size_t argz_count (const char *ARGZ, size_t ARGZ_LEN)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘error_t argz_create (char *const ARGV[], char **ARGZ, size_t *ARGZ_LEN)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘error_t argz_create_sep (const char *STRING, int SEP, char **ARGZ, size_t *ARGZ_LEN)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘void argz_delete (char **ARGZ, size_t *ARGZ_LEN, char *ENTRY)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘void argz_extract (const char *ARGZ, size_t ARGZ_LEN, char **ARGV)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘error_t argz_insert (char **ARGZ, size_t *ARGZ_LEN, char *BEFORE, const char *ENTRY)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘char * argz_next (const char *ARGZ, size_t ARGZ_LEN, const char *ENTRY)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘error_t argz_replace (char **ARGZ, size_t *ARGZ_LEN, const char *STR, const char *WITH, unsigned *REPLACE_COUNT)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘void argz_stringify (char *ARGZ, size_t LEN, int SEP)’

     ‘argz.h’ (GNU): *note Argz Functions::.

‘char * asctime (const struct tm *BROKENTIME)’

     ‘time.h’ (ISO): *note Formatting Calendar Time::.

‘char * asctime_r (const struct tm *BROKENTIME, char *BUFFER)’

     ‘time.h’ (???): *note Formatting Calendar Time::.

‘double asin (double X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘float asinf (float X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘_FloatN asinfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘_FloatNx asinfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘double asinh (double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘float asinhf (float X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘_FloatN asinhfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘_FloatNx asinhfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘long double asinhl (long double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘long double asinl (long double X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘double asinpi (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘float asinpif (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘_FloatN asinpifN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘_FloatNx asinpifNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘long double asinpil (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘int asprintf (char **PTR, const char *TEMPLATE, ...)’

     ‘stdio.h’ (GNU): *note Dynamic Output::.

‘void assert (int EXPRESSION)’

     ‘assert.h’ (ISO): *note Consistency Checking::.

‘void assert_perror (int ERRNUM)’

     ‘assert.h’ (GNU): *note Consistency Checking::.

‘double atan (double X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘double atan2 (double Y, double X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘float atan2f (float Y, float X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘_FloatN atan2fN (_FloatN Y, _FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘_FloatNx atan2fNx (_FloatNx Y, _FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘long double atan2l (long double Y, long double X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘double atan2pi (double Y, double X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘float atan2pif (float Y, float X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘_FloatN atan2pifN (_FloatN Y, _FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘_FloatNx atan2pifNx (_FloatNx Y, _FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘long double atan2pil (long double Y, long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘float atanf (float X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘_FloatN atanfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘_FloatNx atanfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘double atanh (double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘float atanhf (float X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘_FloatN atanhfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘_FloatNx atanhfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘long double atanhl (long double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘long double atanl (long double X)’

     ‘math.h’ (ISO): *note Inverse Trig Functions::.

‘double atanpi (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘float atanpif (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘_FloatN atanpifN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘_FloatNx atanpifNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘long double atanpil (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Inverse Trig Functions::.

‘int atexit (void (*FUNCTION) (void))’

     ‘stdlib.h’ (ISO): *note Cleanups on Exit::.

‘double atof (const char *STRING)’

     ‘stdlib.h’ (ISO): *note Parsing of Floats::.

‘int atoi (const char *STRING)’

     ‘stdlib.h’ (ISO): *note Parsing of Integers::.

‘long int atol (const char *STRING)’

     ‘stdlib.h’ (ISO): *note Parsing of Integers::.

‘long long int atoll (const char *STRING)’

     ‘stdlib.h’ (ISO): *note Parsing of Integers::.

‘int backtrace (void **BUFFER, int SIZE)’

     ‘execinfo.h’ (GNU): *note Backtraces::.

‘char ** backtrace_symbols (void *const *BUFFER, int SIZE)’

     ‘execinfo.h’ (GNU): *note Backtraces::.

‘void backtrace_symbols_fd (void *const *BUFFER, int SIZE, int FD)’

     ‘execinfo.h’ (GNU): *note Backtraces::.

‘char * basename (char *PATH)’

     ‘libgen.h’ (XPG): *note Finding Tokens in a String::.

‘char * basename (const char *FILENAME)’

     ‘string.h’ (GNU): *note Finding Tokens in a String::.

‘baud_t’

     ‘termios.h’ (GNU): *note Line Speed::.

‘int bcmp (const void *A1, const void *A2, size_t SIZE)’

     ‘string.h’ (BSD): *note String/Array Comparison::.

‘void bcopy (const void *FROM, void *TO, size_t SIZE)’

     ‘string.h’ (BSD): *note Copying Strings and Arrays::.

‘int bind (int SOCKET, struct sockaddr *ADDR, socklen_t LENGTH)’

     ‘sys/socket.h’ (BSD): *note Setting Address::.

‘char * bind_textdomain_codeset (const char *DOMAINNAME, const char *CODESET)’

     ‘libintl.h’ (POSIX-1.2024): *note Charset conversion in gettext::.

‘char * bindtextdomain (const char *DOMAINNAME, const char *DIRNAME)’

     ‘libintl.h’ (POSIX-1.2024): *note Locating gettext catalog::.

‘blkcnt64_t’

     ‘sys/types.h’ (Unix98): *note Attribute Meanings::.

‘blkcnt_t’

     ‘sys/types.h’ (Unix98): *note Attribute Meanings::.

‘int brk (void *ADDR)’

     ‘unistd.h’ (BSD): *note Resizing the Data Segment::.

‘void * bsearch (const void *KEY, const void *ARRAY, size_t COUNT, size_t SIZE, comparison_fn_t COMPARE)’

     ‘stdlib.h’ (ISO): *note Array Search Function::.

‘wint_t btowc (int C)’

     ‘wchar.h’ (ISO): *note Converting a Character::.

‘void bzero (void *BLOCK, size_t SIZE)’

     ‘string.h’ (BSD): *note Copying Strings and Arrays::.

‘double cabs (complex double Z)’

     ‘complex.h’ (ISO): *note Absolute Value::.

‘float cabsf (complex float Z)’

     ‘complex.h’ (ISO): *note Absolute Value::.

‘_FloatN cabsfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Absolute Value::.

‘_FloatNx cabsfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Absolute Value::.

‘long double cabsl (complex long double Z)’

     ‘complex.h’ (ISO): *note Absolute Value::.

‘complex double cacos (complex double Z)’

     ‘complex.h’ (ISO): *note Inverse Trig Functions::.

‘complex float cacosf (complex float Z)’

     ‘complex.h’ (ISO): *note Inverse Trig Functions::.

‘complex _FloatN cacosfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘complex _FloatNx cacosfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘complex double cacosh (complex double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex float cacoshf (complex float Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex _FloatN cacoshfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex _FloatNx cacoshfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex long double cacoshl (complex long double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex long double cacosl (complex long double Z)’

     ‘complex.h’ (ISO): *note Inverse Trig Functions::.

‘void call_once (once_flag *FLAG, void (*FUNC) (void))’

     ‘threads.h’ (C11): *note Call Once::.

‘void * calloc (size_t COUNT, size_t ELTSIZE)’

     ‘malloc.h’ (ISO): *note Allocating Cleared Space::.

     ‘stdlib.h’ (ISO): *note Allocating Cleared Space::.

‘int canonicalize (double *CX, const double *X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘char * canonicalize_file_name (const char *NAME)’

     ‘stdlib.h’ (GNU): *note Symbolic Links::.

‘int canonicalizef (float *CX, const float *X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int canonicalizefN (_FloatN *CX, const _FloatN *X)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘int canonicalizefNx (_FloatNx *CX, const _FloatNx *X)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘int canonicalizel (long double *CX, const long double *X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘double carg (complex double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘float cargf (complex float Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘_FloatN cargfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘_FloatNx cargfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘long double cargl (complex long double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘complex double casin (complex double Z)’

     ‘complex.h’ (ISO): *note Inverse Trig Functions::.

‘complex float casinf (complex float Z)’

     ‘complex.h’ (ISO): *note Inverse Trig Functions::.

‘complex _FloatN casinfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘complex _FloatNx casinfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘complex double casinh (complex double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex float casinhf (complex float Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex _FloatN casinhfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex _FloatNx casinhfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex long double casinhl (complex long double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex long double casinl (complex long double Z)’

     ‘complex.h’ (ISO): *note Inverse Trig Functions::.

‘complex double catan (complex double Z)’

     ‘complex.h’ (ISO): *note Inverse Trig Functions::.

‘complex float catanf (complex float Z)’

     ‘complex.h’ (ISO): *note Inverse Trig Functions::.

‘complex _FloatN catanfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘complex _FloatNx catanfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Inverse Trig Functions::.

‘complex double catanh (complex double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex float catanhf (complex float Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex _FloatN catanhfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex _FloatNx catanhfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex long double catanhl (complex long double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex long double catanl (complex long double Z)’

     ‘complex.h’ (ISO): *note Inverse Trig Functions::.

‘nl_catd catopen (const char *CAT_NAME, int FLAG)’

     ‘nl_types.h’ (X/Open): *note The catgets Functions::.

‘double cbrt (double X)’

     ‘math.h’ (BSD): *note Exponents and Logarithms::.

‘float cbrtf (float X)’

     ‘math.h’ (BSD): *note Exponents and Logarithms::.

‘_FloatN cbrtfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx cbrtfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double cbrtl (long double X)’

     ‘math.h’ (BSD): *note Exponents and Logarithms::.

‘cc_t’

     ‘termios.h’ (POSIX.1): *note Mode Data Types::.

‘complex double ccos (complex double Z)’

     ‘complex.h’ (ISO): *note Trig Functions::.

‘complex float ccosf (complex float Z)’

     ‘complex.h’ (ISO): *note Trig Functions::.

‘complex _FloatN ccosfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Trig Functions::.

‘complex _FloatNx ccosfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Trig Functions::.

‘complex double ccosh (complex double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex float ccoshf (complex float Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex _FloatN ccoshfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex _FloatNx ccoshfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex long double ccoshl (complex long double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex long double ccosl (complex long double Z)’

     ‘complex.h’ (ISO): *note Trig Functions::.

‘double ceil (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float ceilf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN ceilfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx ceilfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double ceill (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘complex double cexp (complex double Z)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex float cexpf (complex float Z)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex _FloatN cexpfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘complex _FloatNx cexpfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘complex long double cexpl (complex long double Z)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘baud_t cfgetibaud (const struct termios *TERMIOS-P)’

     ‘termios.h’ (GNU): *note Line Speed::.

‘speed_t cfgetispeed (const struct termios *TERMIOS-P)’

     ‘termios.h’ (POSIX.1): *note Line Speed::.

‘baud_t cfgetobaud (const struct termios *TERMIOS-P)’

     ‘termios.h’ (GNU): *note Line Speed::.

‘speed_t cfgetospeed (const struct termios *TERMIOS-P)’

     ‘termios.h’ (POSIX.1): *note Line Speed::.

‘void cfmakeraw (struct termios *TERMIOS-P)’

     ‘termios.h’ (BSD): *note Noncanonical Input::.

‘int cfsetbaud (struct termios *TERMIOS-P, baud_t BAUD)’

     ‘termios.h’ (GNU): *note Line Speed::.

‘int cfsetibaud (struct termios *TERMIOS-P, baud_t BAUD)’

     ‘termios.h’ (GNU): *note Line Speed::.

‘int cfsetispeed (struct termios *TERMIOS-P, speed_t SPEED)’

     ‘termios.h’ (POSIX.1): *note Line Speed::.

‘int cfsetobaud (struct termios *TERMIOS-P, baud_t BAUD)’

     ‘termios.h’ (GNU): *note Line Speed::.

‘int cfsetospeed (struct termios *TERMIOS-P, speed_t SPEED)’

     ‘termios.h’ (POSIX.1): *note Line Speed::.

‘int cfsetspeed (struct termios *TERMIOS-P, speed_t SPEED)’

     ‘termios.h’ (BSD): *note Line Speed::.

‘int chdir (const char *FILENAME)’

     ‘unistd.h’ (POSIX.1): *note Working Directory::.

‘int chmod (const char *FILENAME, mode_t MODE)’

     ‘sys/stat.h’ (POSIX.1): *note Setting Permissions::.

‘int chown (const char *FILENAME, uid_t OWNER, gid_t GROUP)’

     ‘unistd.h’ (POSIX.1): *note File Owner::.

‘double cimag (complex double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘float cimagf (complex float Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘_FloatN cimagfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘_FloatNx cimagfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘long double cimagl (complex long double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘int clearenv (void)’

     ‘stdlib.h’ (GNU): *note Environment Access::.

‘void clearerr (FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Error Recovery::.

‘void clearerr_unlocked (FILE *STREAM)’

     ‘stdio.h’ (GNU): *note Error Recovery::.

‘clock_t clock (void)’

     ‘time.h’ (ISO): *note CPU Time::.

‘int clock_getres (clockid_t CLOCK, struct timespec *RES)’

     ‘time.h’ (POSIX.1): *note Getting the Time::.

‘int clock_gettime (clockid_t CLOCK, struct timespec *TS)’

     ‘time.h’ (POSIX.1): *note Getting the Time::.

‘int clock_nanosleep (clockid_t CLOCK, int FLAGS, const struct timespec *REQUESTED_TIME, struct timespec *REMAINING_TIME)’

     ‘time.h’ (POSIX.1-2001): *note Sleeping::.

‘int clock_settime (clockid_t CLOCK, const struct timespec *TS)’

     ‘time.h’ (POSIX): *note Setting and Adjusting the Time::.

‘clock_t’

     ‘time.h’ (ISO): *note Time Types::.

‘clockid_t’

     ‘time.h’ (POSIX.1): *note Getting the Time::.

‘complex double clog (complex double Z)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex double clog10 (complex double Z)’

     ‘complex.h’ (GNU): *note Exponents and Logarithms::.

‘complex float clog10f (complex float Z)’

     ‘complex.h’ (GNU): *note Exponents and Logarithms::.

‘complex _FloatN clog10fN (complex _FloatN Z)’

     ‘complex.h’ (GNU): *note Exponents and Logarithms::.

‘complex _FloatNx clog10fNx (complex _FloatNx Z)’

     ‘complex.h’ (GNU): *note Exponents and Logarithms::.

‘complex long double clog10l (complex long double Z)’

     ‘complex.h’ (GNU): *note Exponents and Logarithms::.

‘complex float clogf (complex float Z)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex _FloatN clogfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘complex _FloatNx clogfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘complex long double clogl (complex long double Z)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘int close (int FILEDES)’

     ‘unistd.h’ (POSIX.1): *note Opening and Closing Files::.

‘int close_range (unsigned int LOWFD, unsigned int MAXFD, int FLAGS)’

     ‘unistd.h’ (Linux): *note Opening and Closing Files::.

‘int closedir (DIR *DIRSTREAM)’

     ‘dirent.h’ (POSIX.1): *note Reading/Closing Directory::.

‘void closefrom (int LOWFD)’

     ‘unistd.h’ (GNU): *note Opening and Closing Files::.

‘void closelog (void)’

     ‘syslog.h’ (BSD): *note closelog::.

‘int cnd_broadcast (cnd_t *COND)’

     ‘threads.h’ (C11): *note ISO C Condition Variables::.

‘void cnd_destroy (cnd_t *COND)’

     ‘threads.h’ (C11): *note ISO C Condition Variables::.

‘int cnd_init (cnd_t *COND)’

     ‘threads.h’ (C11): *note ISO C Condition Variables::.

‘int cnd_signal (cnd_t *COND)’

     ‘threads.h’ (C11): *note ISO C Condition Variables::.

‘cnd_t’

     ‘threads.h’ (C11): *note ISO C Condition Variables::.

‘int cnd_timedwait (cnd_t *restrict COND, mtx_t *restrict MUTEX, const struct timespec *restrict TIME_POINT)’

     ‘threads.h’ (C11): *note ISO C Condition Variables::.

‘int cnd_wait (cnd_t *COND, mtx_t *MUTEX)’

     ‘threads.h’ (C11): *note ISO C Condition Variables::.

‘double compoundn (double X, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float compoundnf (float X, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN compoundnfN (_FloatN X, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx compoundnfNx (_FloatNx X, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double compoundnl (long double X, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘size_t confstr (int PARAMETER, char *BUF, size_t LEN)’

     ‘unistd.h’ (POSIX.2): *note String Parameters::.

‘complex double conj (complex double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘complex float conjf (complex float Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘complex _FloatN conjfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘complex _FloatNx conjfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘complex long double conjl (complex long double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘int connect (int SOCKET, struct sockaddr *ADDR, socklen_t LENGTH)’

     ‘sys/socket.h’ (BSD): *note Connecting::.

‘cookie_close_function_t’

     ‘stdio.h’ (GNU): *note Hook Functions::.

‘cookie_io_functions_t’

     ‘stdio.h’ (GNU): *note Streams and Cookies::.

‘cookie_read_function_t’

     ‘stdio.h’ (GNU): *note Hook Functions::.

‘cookie_seek_function_t’

     ‘stdio.h’ (GNU): *note Hook Functions::.

‘cookie_write_function_t’

     ‘stdio.h’ (GNU): *note Hook Functions::.

‘ssize_t copy_file_range (int INPUTFD, off64_t *INPUTPOS, int OUTPUTFD, off64_t *OUTPUTPOS, ssize_t LENGTH, unsigned int FLAGS)’

     ‘unistd.h’ (GNU): *note Copying File Data::.

‘double copysign (double X, double Y)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘float copysignf (float X, float Y)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘_FloatN copysignfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘_FloatNx copysignfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘long double copysignl (long double X, long double Y)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘double cos (double X)’

     ‘math.h’ (ISO): *note Trig Functions::.

‘float cosf (float X)’

     ‘math.h’ (ISO): *note Trig Functions::.

‘_FloatN cosfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Trig Functions::.

‘_FloatNx cosfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Trig Functions::.

‘double cosh (double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘float coshf (float X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘_FloatN coshfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘_FloatNx coshfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘long double coshl (long double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘long double cosl (long double X)’

     ‘math.h’ (ISO): *note Trig Functions::.

‘double cospi (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘float cospif (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘_FloatN cospifN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘_FloatNx cospifNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘long double cospil (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘complex double cpow (complex double BASE, complex double POWER)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex float cpowf (complex float BASE, complex float POWER)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex _FloatN cpowfN (complex _FloatN BASE, complex _FloatN POWER)’

     ‘complex.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘complex _FloatNx cpowfNx (complex _FloatNx BASE, complex _FloatNx POWER)’

     ‘complex.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘complex long double cpowl (complex long double BASE, complex long double POWER)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex double cproj (complex double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘complex float cprojf (complex float Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘complex _FloatN cprojfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘complex _FloatNx cprojfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘complex long double cprojl (complex long double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘cpu_set_t’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘double creal (complex double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘float crealf (complex float Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘_FloatN crealfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘_FloatNx crealfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Operations on Complex::.

‘long double creall (complex long double Z)’

     ‘complex.h’ (ISO): *note Operations on Complex::.

‘int creat (const char *FILENAME, mode_t MODE)’

     ‘fcntl.h’ (POSIX.1): *note Opening and Closing Files::.

‘int creat64 (const char *FILENAME, mode_t MODE)’

     ‘fcntl.h’ (Unix98): *note Opening and Closing Files::.

‘complex double csin (complex double Z)’

     ‘complex.h’ (ISO): *note Trig Functions::.

‘complex float csinf (complex float Z)’

     ‘complex.h’ (ISO): *note Trig Functions::.

‘complex _FloatN csinfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Trig Functions::.

‘complex _FloatNx csinfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Trig Functions::.

‘complex double csinh (complex double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex float csinhf (complex float Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex _FloatN csinhfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex _FloatNx csinhfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex long double csinhl (complex long double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex long double csinl (complex long double Z)’

     ‘complex.h’ (ISO): *note Trig Functions::.

‘complex double csqrt (complex double Z)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex float csqrtf (complex float Z)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex _FloatN csqrtfN (_FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘complex _FloatNx csqrtfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘complex long double csqrtl (complex long double Z)’

     ‘complex.h’ (ISO): *note Exponents and Logarithms::.

‘complex double ctan (complex double Z)’

     ‘complex.h’ (ISO): *note Trig Functions::.

‘complex float ctanf (complex float Z)’

     ‘complex.h’ (ISO): *note Trig Functions::.

‘complex _FloatN ctanfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Trig Functions::.

‘complex _FloatNx ctanfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Trig Functions::.

‘complex double ctanh (complex double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex float ctanhf (complex float Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex _FloatN ctanhfN (complex _FloatN Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex _FloatNx ctanhfNx (complex _FloatNx Z)’

     ‘complex.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘complex long double ctanhl (complex long double Z)’

     ‘complex.h’ (ISO): *note Hyperbolic Functions::.

‘complex long double ctanl (complex long double Z)’

     ‘complex.h’ (ISO): *note Trig Functions::.

‘char * ctermid (char *STRING)’

     ‘stdio.h’ (POSIX.1): *note Identifying the Terminal::.

‘char * ctime (const time_t *TIME)’

     ‘time.h’ (ISO): *note Formatting Calendar Time::.

‘char * ctime_r (const time_t *TIME, char *BUFFER)’

     ‘time.h’ (???): *note Formatting Calendar Time::.

‘char * cuserid (char *STRING)’

     ‘stdio.h’ (POSIX.1): *note Who Logged In::.

‘double daddl (long double X, long double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘int daylight’

     ‘time.h’ (POSIX.1): *note Time Zone State::.

‘char * dcgettext (const char *DOMAINNAME, const char *MSGID, int CATEGORY)’

     ‘libintl.h’ (POSIX-1.2024): *note Translation with gettext::.

‘char * dcngettext (const char *DOMAIN, const char *MSGID1, const char *MSGID2, unsigned long int N, int CATEGORY)’

     ‘libintl.h’ (POSIX-1.2024): *note Advanced gettext functions::.

‘double ddivl (long double X, long double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘dev_t’

     ‘sys/types.h’ (POSIX.1): *note Attribute Meanings::.

‘double dfmal (long double X, long double Y, long double Z)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘char * dgettext (const char *DOMAINNAME, const char *MSGID)’

     ‘libintl.h’ (POSIX-1.2024): *note Translation with gettext::.

‘double difftime (time_t END, time_t BEGIN)’

     ‘time.h’ (ISO): *note Calculating Elapsed Time::.

‘struct dirent’

     ‘dirent.h’ (POSIX.1): *note Directory Entries::.

‘int dirfd (DIR *DIRSTREAM)’

     ‘dirent.h’ (GNU): *note Opening a Directory::.

‘char * dirname (char *PATH)’

     ‘libgen.h’ (XPG): *note Finding Tokens in a String::.

‘div_t div (int NUMERATOR, int DENOMINATOR)’

     ‘stdlib.h’ (ISO): *note Integer Division::.

‘div_t’

     ‘stdlib.h’ (ISO): *note Integer Division::.

‘struct dl_find_object’

     ‘dlfcn.h’ (GNU): *note Dynamic Linker Introspection::.

‘double dmull (long double X, long double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘char * dngettext (const char *DOMAIN, const char *MSGID1, const char *MSGID2, unsigned long int N)’

     ‘libintl.h’ (POSIX-1.2024): *note Advanced gettext functions::.

‘int dprintf (int FD, TEMPLATE, ...)’

     ‘stdio.h’ (POSIX): *note Formatted Output Functions::.

‘double drand48 (void)’

     ‘stdlib.h’ (SVID): *note SVID Random::.

‘int drand48_r (struct drand48_data *BUFFER, double *RESULT)’

     ‘stdlib.h’ (GNU): *note SVID Random::.

‘double drem (double NUMERATOR, double DENOMINATOR)’

     ‘math.h’ (BSD): *note Remainder Functions::.

‘float dremf (float NUMERATOR, float DENOMINATOR)’

     ‘math.h’ (BSD): *note Remainder Functions::.

‘long double dreml (long double NUMERATOR, long double DENOMINATOR)’

     ‘math.h’ (BSD): *note Remainder Functions::.

‘double dsqrtl (long double X)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘double dsubl (long double X, long double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘int dup (int OLD)’

     ‘unistd.h’ (POSIX.1): *note Duplicating Descriptors::.

‘int dup2 (int OLD, int NEW)’

     ‘unistd.h’ (POSIX.1): *note Duplicating Descriptors::.

‘int dup3 (int OLD, int NEW, int FLAGS)’

     ‘unistd.h’ (POSIX.1-2024): *note Duplicating Descriptors::.

‘char * ecvt (double VALUE, int NDIGIT, int *DECPT, int *NEG)’

     ‘stdlib.h’ (SVID): *note System V Number Conversion::.

     ‘stdlib.h’ (Unix98): *note System V Number Conversion::.

‘int ecvt_r (double VALUE, int NDIGIT, int *DECPT, int *NEG, char *BUF, size_t LEN)’

     ‘stdlib.h’ (GNU): *note System V Number Conversion::.

‘void endfsent (void)’

     ‘fstab.h’ (BSD): *note fstab::.

‘void endgrent (void)’

     ‘grp.h’ (SVID): *note Scanning All Groups::.

     ‘grp.h’ (BSD): *note Scanning All Groups::.

‘void endhostent (void)’

     ‘netdb.h’ (BSD): *note Host Names::.

‘int endmntent (FILE *STREAM)’

     ‘mntent.h’ (BSD): *note mtab::.

‘void endnetent (void)’

     ‘netdb.h’ (BSD): *note Networks Database::.

‘void endnetgrent (void)’

     ‘netdb.h’ (BSD): *note Lookup Netgroup::.

‘void endprotoent (void)’

     ‘netdb.h’ (BSD): *note Protocols Database::.

‘void endpwent (void)’

     ‘pwd.h’ (SVID): *note Scanning All Users::.

     ‘pwd.h’ (BSD): *note Scanning All Users::.

‘void endservent (void)’

     ‘netdb.h’ (BSD): *note Services Database::.

‘void endutent (void)’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘void endutxent (void)’

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘char ** environ’

     ‘unistd.h’ (POSIX.1): *note Environment Access::.

‘error_t envz_add (char **ENVZ, size_t *ENVZ_LEN, const char *NAME, const char *VALUE)’

     ‘envz.h’ (GNU): *note Envz Functions::.

‘char * envz_entry (const char *ENVZ, size_t ENVZ_LEN, const char *NAME)’

     ‘envz.h’ (GNU): *note Envz Functions::.

‘char * envz_get (const char *ENVZ, size_t ENVZ_LEN, const char *NAME)’

     ‘envz.h’ (GNU): *note Envz Functions::.

‘error_t envz_merge (char **ENVZ, size_t *ENVZ_LEN, const char *ENVZ2, size_t ENVZ2_LEN, int OVERRIDE)’

     ‘envz.h’ (GNU): *note Envz Functions::.

‘void envz_remove (char **ENVZ, size_t *ENVZ_LEN, const char *NAME)’

     ‘envz.h’ (GNU): *note Envz Functions::.

‘void envz_strip (char **ENVZ, size_t *ENVZ_LEN)’

     ‘envz.h’ (GNU): *note Envz Functions::.

‘double erand48 (unsigned short int XSUBI[3])’

     ‘stdlib.h’ (SVID): *note SVID Random::.

‘int erand48_r (unsigned short int XSUBI[3], struct drand48_data *BUFFER, double *RESULT)’

     ‘stdlib.h’ (GNU): *note SVID Random::.

‘double erf (double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘double erfc (double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘float erfcf (float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘_FloatN erfcfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Special Functions::.

‘_FloatNx erfcfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Special Functions::.

‘long double erfcl (long double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘float erff (float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘_FloatN erffN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Special Functions::.

‘_FloatNx erffNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Special Functions::.

‘long double erfl (long double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘void err (int STATUS, const char *FORMAT, ...)’

     ‘err.h’ (BSD): *note Error Messages::.

‘volatile int errno’

     ‘errno.h’ (ISO): *note Checking for Errors::.

‘void error (int STATUS, int ERRNUM, const char *FORMAT, ...)’

     ‘error.h’ (GNU): *note Error Messages::.

‘void error_at_line (int STATUS, int ERRNUM, const char *FNAME, unsigned int LINENO, const char *FORMAT, ...)’

     ‘error.h’ (GNU): *note Error Messages::.

‘unsigned int error_message_count’

     ‘error.h’ (GNU): *note Error Messages::.

‘int error_one_per_line’

     ‘error.h’ (GNU): *note Error Messages::.

‘void (*error_print_progname) (void)’

     ‘error.h’ (GNU): *note Error Messages::.

‘void errx (int STATUS, const char *FORMAT, ...)’

     ‘err.h’ (BSD): *note Error Messages::.

‘int execl (const char *FILENAME, const char *ARG0, ...)’

     ‘unistd.h’ (POSIX.1): *note Executing a File::.

‘int execle (const char *FILENAME, const char *ARG0, ..., char *const ENV[])’

     ‘unistd.h’ (POSIX.1): *note Executing a File::.

‘int execlp (const char *FILENAME, const char *ARG0, ...)’

     ‘unistd.h’ (POSIX.1): *note Executing a File::.

‘int execv (const char *FILENAME, char *const ARGV[])’

     ‘unistd.h’ (POSIX.1): *note Executing a File::.

‘int execve (const char *FILENAME, char *const ARGV[], char *const ENV[])’

     ‘unistd.h’ (POSIX.1): *note Executing a File::.

‘int execvp (const char *FILENAME, char *const ARGV[])’

     ‘unistd.h’ (POSIX.1): *note Executing a File::.

‘void exit (int STATUS)’

     ‘stdlib.h’ (ISO): *note Normal Termination::.

‘struct exit_status’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘double exp (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘double exp10 (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float exp10f (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN exp10fN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx exp10fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double exp10l (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘double exp10m1 (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float exp10m1f (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN exp10m1fN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx exp10m1fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double exp10m1l (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘double exp2 (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float exp2f (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN exp2fN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx exp2fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double exp2l (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘double exp2m1 (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float exp2m1f (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN exp2m1fN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx exp2m1fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double exp2m1l (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float expf (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN expfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx expfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double expl (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘void explicit_bzero (void *BLOCK, size_t LEN)’

     ‘string.h’ (BSD): *note Erasing Sensitive Data::.

‘double expm1 (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float expm1f (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN expm1fN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx expm1fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double expm1l (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatM fMaddfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMaddfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMdivfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMdivfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMfmafN (_FloatN X, _FloatN Y, _FloatN Z)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMfmafNx (_FloatNx X, _FloatNx Y, _FloatNx Z)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMmulfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMmulfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMsqrtfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMsqrtfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMsubfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatM fMsubfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxaddfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxaddfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxdivfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxdivfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxfmafN (_FloatN X, _FloatN Y, _FloatN Z)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxfmafNx (_FloatNx X, _FloatNx Y, _FloatNx Z)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxmulfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxmulfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxsqrtfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxsqrtfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxsubfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatMx fMxsubfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘double fabs (double NUMBER)’

     ‘math.h’ (ISO): *note Absolute Value::.

‘float fabsf (float NUMBER)’

     ‘math.h’ (ISO): *note Absolute Value::.

‘_FloatN fabsfN (_FloatN NUMBER)’

     ‘math.h’ (TS 18661-3:2015): *note Absolute Value::.

‘_FloatNx fabsfNx (_FloatNx NUMBER)’

     ‘math.h’ (TS 18661-3:2015): *note Absolute Value::.

‘long double fabsl (long double NUMBER)’

     ‘math.h’ (ISO): *note Absolute Value::.

‘int faccessat (int FILEDES, const char *FILENAME, int HOW, int FLAGS)’

     ‘unistd.h’ (POSIX.1-2008): *note Testing File Access::.

‘float fadd (double X, double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘float faddl (long double X, long double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘int fchdir (int FILEDES)’

     ‘unistd.h’ (XPG): *note Working Directory::.

‘int fchmod (int FILEDES, mode_t MODE)’

     ‘sys/stat.h’ (BSD): *note Setting Permissions::.

‘int fchown (int FILEDES, uid_t OWNER, gid_t GROUP)’

     ‘unistd.h’ (BSD): *note File Owner::.

‘int fclose (FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Closing Streams::.

‘int fcloseall (void)’

     ‘stdio.h’ (GNU): *note Closing Streams::.

‘int fcntl (int FILEDES, int COMMAND, ...)’

     ‘fcntl.h’ (POSIX.1): *note Control Operations::.

‘char * fcvt (double VALUE, int NDIGIT, int *DECPT, int *NEG)’

     ‘stdlib.h’ (SVID): *note System V Number Conversion::.

     ‘stdlib.h’ (Unix98): *note System V Number Conversion::.

‘int fcvt_r (double VALUE, int NDIGIT, int *DECPT, int *NEG, char *BUF, size_t LEN)’

     ‘stdlib.h’ (SVID): *note System V Number Conversion::.

     ‘stdlib.h’ (Unix98): *note System V Number Conversion::.

‘fd_set’

     ‘sys/select.h’ (POSIX.1): *note Waiting for I/O::.

‘int fdatasync (int FILDES)’

     ‘unistd.h’ (POSIX): *note Synchronizing I/O::.

‘double fdim (double X, double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘float fdimf (float X, float Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘_FloatN fdimfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatNx fdimfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘long double fdiml (long double X, long double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘float fdiv (double X, double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘float fdivl (long double X, long double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘FILE * fdopen (int FILEDES, const char *OPENTYPE)’

     ‘stdio.h’ (POSIX.1): *note Descriptors and Streams::.

‘DIR * fdopendir (int FD)’

     ‘dirent.h’ (GNU): *note Opening a Directory::.

‘int feclearexcept (int EXCEPTS)’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘int fedisableexcept (int EXCEPTS)’

     ‘fenv.h’ (GNU): *note Control Functions::.

‘int feenableexcept (int EXCEPTS)’

     ‘fenv.h’ (GNU): *note Control Functions::.

‘int fegetenv (fenv_t *ENVP)’

     ‘fenv.h’ (ISO): *note Control Functions::.

‘int fegetexcept (void)’

     ‘fenv.h’ (GNU): *note Control Functions::.

‘int fegetexceptflag (fexcept_t *FLAGP, int EXCEPTS)’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘int fegetmode (femode_t *MODEP)’

     ‘fenv.h’ (ISO): *note Control Functions::.

‘int fegetround (void)’

     ‘fenv.h’ (ISO): *note Rounding::.

‘int feholdexcept (fenv_t *ENVP)’

     ‘fenv.h’ (ISO): *note Control Functions::.

‘int feof (FILE *STREAM)’

     ‘stdio.h’ (ISO): *note EOF and Errors::.

‘int feof_unlocked (FILE *STREAM)’

     ‘stdio.h’ (GNU): *note EOF and Errors::.

‘int feraiseexcept (int EXCEPTS)’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘int ferror (FILE *STREAM)’

     ‘stdio.h’ (ISO): *note EOF and Errors::.

‘int ferror_unlocked (FILE *STREAM)’

     ‘stdio.h’ (GNU): *note EOF and Errors::.

‘int fesetenv (const fenv_t *ENVP)’

     ‘fenv.h’ (ISO): *note Control Functions::.

‘int fesetexcept (int EXCEPTS)’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘int fesetexceptflag (const fexcept_t *FLAGP, int EXCEPTS)’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘int fesetmode (const femode_t *MODEP)’

     ‘fenv.h’ (ISO): *note Control Functions::.

‘int fesetround (int ROUND)’

     ‘fenv.h’ (ISO): *note Rounding::.

‘int fetestexcept (int EXCEPTS)’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘int fetestexceptflag (const fexcept_t *FLAGP, int EXCEPTS)’

     ‘fenv.h’ (ISO): *note Status bit operations::.

‘int feupdateenv (const fenv_t *ENVP)’

     ‘fenv.h’ (ISO): *note Control Functions::.

‘int fexecve (int FD, char *const ARGV[], char *const ENV[])’

     ‘unistd.h’ (POSIX.1): *note Executing a File::.

‘int fflush (FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Flushing Buffers::.

‘int fflush_unlocked (FILE *STREAM)’

     ‘stdio.h’ (POSIX): *note Flushing Buffers::.

‘float ffma (double X, double Y, double Z)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘float ffmal (long double X, long double Y, long double Z)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘int fgetc (FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Character Input::.

‘int fgetc_unlocked (FILE *STREAM)’

     ‘stdio.h’ (POSIX): *note Character Input::.

‘struct group * fgetgrent (FILE *STREAM)’

     ‘grp.h’ (SVID): *note Scanning All Groups::.

‘int fgetgrent_r (FILE *STREAM, struct group *RESULT_BUF, char *BUFFER, size_t BUFLEN, struct group **RESULT)’

     ‘grp.h’ (GNU): *note Scanning All Groups::.

‘int fgetpos (FILE *STREAM, fpos_t *POSITION)’

     ‘stdio.h’ (ISO): *note Portable Positioning::.

‘int fgetpos64 (FILE *STREAM, fpos64_t *POSITION)’

     ‘stdio.h’ (Unix98): *note Portable Positioning::.

‘struct passwd * fgetpwent (FILE *STREAM)’

     ‘pwd.h’ (SVID): *note Scanning All Users::.

‘int fgetpwent_r (FILE *STREAM, struct passwd *RESULT_BUF, char *BUFFER, size_t BUFLEN, struct passwd **RESULT)’

     ‘pwd.h’ (GNU): *note Scanning All Users::.

‘char * fgets (char *S, int COUNT, FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Line Input::.

‘char * fgets_unlocked (char *S, int COUNT, FILE *STREAM)’

     ‘stdio.h’ (GNU): *note Line Input::.

‘wint_t fgetwc (FILE *STREAM)’

     ‘wchar.h’ (ISO): *note Character Input::.

‘wint_t fgetwc_unlocked (FILE *STREAM)’

     ‘wchar.h’ (GNU): *note Character Input::.

‘wchar_t * fgetws (wchar_t *WS, int COUNT, FILE *STREAM)’

     ‘wchar.h’ (ISO): *note Line Input::.

‘wchar_t * fgetws_unlocked (wchar_t *WS, int COUNT, FILE *STREAM)’

     ‘wchar.h’ (GNU): *note Line Input::.

‘int fileno (FILE *STREAM)’

     ‘stdio.h’ (POSIX.1): *note Descriptors and Streams::.

‘int fileno_unlocked (FILE *STREAM)’

     ‘stdio.h’ (GNU): *note Descriptors and Streams::.

‘int finite (double X)’

     ‘math.h’ (BSD): *note Floating Point Classes::.

‘int finitef (float X)’

     ‘math.h’ (BSD): *note Floating Point Classes::.

‘int finitel (long double X)’

     ‘math.h’ (BSD): *note Floating Point Classes::.

‘struct flock’

     ‘fcntl.h’ (POSIX.1): *note File Locks::.

‘void flockfile (FILE *STREAM)’

     ‘stdio.h’ (POSIX): *note Streams and Threads::.

‘double floor (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float floorf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN floorfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx floorfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double floorl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘double fma (double X, double Y, double Z)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘float fmaf (float X, float Y, float Z)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘_FloatN fmafN (_FloatN X, _FloatN Y, _FloatN Z)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatNx fmafNx (_FloatNx X, _FloatNx Y, _FloatNx Z)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘long double fmal (long double X, long double Y, long double Z)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘double fmax (double X, double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘float fmaxf (float X, float Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘_FloatN fmaxfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatNx fmaxfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘double fmaximum (double X, double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘double fmaximum_mag (double X, double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘double fmaximum_mag_num (double X, double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘float fmaximum_mag_numf (float X, float Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatN fmaximum_mag_numfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatNx fmaximum_mag_numfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fmaximum_mag_numl (long double X, long double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘float fmaximum_magf (float X, float Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatN fmaximum_magfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatNx fmaximum_magfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fmaximum_magl (long double X, long double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘double fmaximum_num (double X, double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘float fmaximum_numf (float X, float Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatN fmaximum_numfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatNx fmaximum_numfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fmaximum_numl (long double X, long double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘float fmaximumf (float X, float Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatN fmaximumfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatNx fmaximumfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fmaximuml (long double X, long double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fmaxl (long double X, long double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘double fmaxmag (double X, double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘float fmaxmagf (float X, float Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘_FloatN fmaxmagfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatNx fmaxmagfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘long double fmaxmagl (long double X, long double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘FILE * fmemopen (void *BUF, size_t SIZE, const char *OPENTYPE)’

     ‘stdio.h’ (GNU): *note String Streams::.

‘double fmin (double X, double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘float fminf (float X, float Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘_FloatN fminfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatNx fminfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘double fminimum (double X, double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘double fminimum_mag (double X, double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘double fminimum_mag_num (double X, double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘float fminimum_mag_numf (float X, float Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatN fminimum_mag_numfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatNx fminimum_mag_numfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fminimum_mag_numl (long double X, long double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘float fminimum_magf (float X, float Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatN fminimum_magfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatNx fminimum_magfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fminimum_magl (long double X, long double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘double fminimum_num (double X, double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘float fminimum_numf (float X, float Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatN fminimum_numfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatNx fminimum_numfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fminimum_numl (long double X, long double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘float fminimumf (float X, float Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatN fminimumfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘_FloatNx fminimumfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fminimuml (long double X, long double Y)’

     ‘math.h’ (C23): *note Misc FP Arithmetic::.

‘long double fminl (long double X, long double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘double fminmag (double X, double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘float fminmagf (float X, float Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘_FloatN fminmagfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘_FloatNx fminmagfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Misc FP Arithmetic::.

‘long double fminmagl (long double X, long double Y)’

     ‘math.h’ (ISO): *note Misc FP Arithmetic::.

‘double fmod (double NUMERATOR, double DENOMINATOR)’

     ‘math.h’ (ISO): *note Remainder Functions::.

‘float fmodf (float NUMERATOR, float DENOMINATOR)’

     ‘math.h’ (ISO): *note Remainder Functions::.

‘_FloatN fmodfN (_FloatN NUMERATOR, _FloatN DENOMINATOR)’

     ‘math.h’ (TS 18661-3:2015): *note Remainder Functions::.

‘_FloatNx fmodfNx (_FloatNx NUMERATOR, _FloatNx DENOMINATOR)’

     ‘math.h’ (TS 18661-3:2015): *note Remainder Functions::.

‘long double fmodl (long double NUMERATOR, long double DENOMINATOR)’

     ‘math.h’ (ISO): *note Remainder Functions::.

‘int fmtmsg (long int CLASSIFICATION, const char *LABEL, int SEVERITY, const char *TEXT, const char *ACTION, const char *TAG)’

     ‘fmtmsg.h’ (XPG): *note Printing Formatted Messages::.

‘float fmul (double X, double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘float fmull (long double X, long double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘int fnmatch (const char *PATTERN, const char *STRING, int FLAGS)’

     ‘fnmatch.h’ (POSIX.2): *note Wildcard Matching::.

‘FILE * fopen (const char *FILENAME, const char *OPENTYPE)’

     ‘stdio.h’ (ISO): *note Opening Streams::.

‘FILE * fopen64 (const char *FILENAME, const char *OPENTYPE)’

     ‘stdio.h’ (Unix98): *note Opening Streams::.

‘FILE * fopencookie (void *COOKIE, const char *OPENTYPE, cookie_io_functions_t IO-FUNCTIONS)’

     ‘stdio.h’ (GNU): *note Streams and Cookies::.

‘pid_t fork (void)’

     ‘unistd.h’ (POSIX.1): *note Creating a Process::.

‘int forkpty (int *AMASTER, char *NAME, const struct termios *TERMP, const struct winsize *WINP)’

     ‘pty.h’ (BSD): *note Pseudo-Terminal Pairs::.

‘long int fpathconf (int FILEDES, int PARAMETER)’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘int fpclassify (_float-type_ X)’

     ‘math.h’ (ISO): *note Floating Point Classes::.

‘fpos64_t’

     ‘stdio.h’ (Unix98): *note Portable Positioning::.

‘fpos_t’

     ‘stdio.h’ (ISO): *note Portable Positioning::.

‘int fprintf (FILE *STREAM, const char *TEMPLATE, ...)’

     ‘stdio.h’ (ISO): *note Formatted Output Functions::.

‘int fputc (int C, FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Simple Output::.

‘int fputc_unlocked (int C, FILE *STREAM)’

     ‘stdio.h’ (POSIX): *note Simple Output::.

‘int fputs (const char *S, FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Simple Output::.

‘int fputs_unlocked (const char *S, FILE *STREAM)’

     ‘stdio.h’ (GNU): *note Simple Output::.

‘wint_t fputwc (wchar_t WC, FILE *STREAM)’

     ‘wchar.h’ (ISO): *note Simple Output::.

‘wint_t fputwc_unlocked (wchar_t WC, FILE *STREAM)’

     ‘wchar.h’ (POSIX): *note Simple Output::.

‘int fputws (const wchar_t *WS, FILE *STREAM)’

     ‘wchar.h’ (ISO): *note Simple Output::.

‘int fputws_unlocked (const wchar_t *WS, FILE *STREAM)’

     ‘wchar.h’ (GNU): *note Simple Output::.

‘size_t fread (void *DATA, size_t SIZE, size_t COUNT, FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Block Input/Output::.

‘size_t fread_unlocked (void *DATA, size_t SIZE, size_t COUNT, FILE *STREAM)’

     ‘stdio.h’ (GNU): *note Block Input/Output::.

‘void free (void *PTR)’

     ‘malloc.h’ (ISO): *note Freeing after Malloc::.

     ‘stdlib.h’ (ISO): *note Freeing after Malloc::.

‘void free_aligned_sized (void *PTR, size_t ALIGNMENT, size_t SIZE)’

     ‘stdlib.h’ (ISO): *note Freeing after Malloc::.

‘void free_sized (void *PTR, size_t SIZE)’

     ‘stdlib.h’ (ISO): *note Freeing after Malloc::.

‘FILE * freopen (const char *FILENAME, const char *OPENTYPE, FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Opening Streams::.

‘FILE * freopen64 (const char *FILENAME, const char *OPENTYPE, FILE *STREAM)’

     ‘stdio.h’ (Unix98): *note Opening Streams::.

‘double frexp (double VALUE, int *EXPONENT)’

     ‘math.h’ (ISO): *note Normalization Functions::.

‘float frexpf (float VALUE, int *EXPONENT)’

     ‘math.h’ (ISO): *note Normalization Functions::.

‘_FloatN frexpfN (_FloatN VALUE, int *EXPONENT)’

     ‘math.h’ (TS 18661-3:2015): *note Normalization Functions::.

‘_FloatNx frexpfNx (_FloatNx VALUE, int *EXPONENT)’

     ‘math.h’ (TS 18661-3:2015): *note Normalization Functions::.

‘long double frexpl (long double VALUE, int *EXPONENT)’

     ‘math.h’ (ISO): *note Normalization Functions::.

‘double fromfp (double X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float fromfpf (float X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN fromfpfN (_FloatN X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx fromfpfNx (_FloatNx X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double fromfpl (long double X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘double fromfpx (double X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float fromfpxf (float X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN fromfpxfN (_FloatN X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx fromfpxfNx (_FloatNx X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double fromfpxl (long double X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘int fscanf (FILE *STREAM, const char *TEMPLATE, ...)’

     ‘stdio.h’ (ISO): *note Formatted Input Functions::.

‘int fseek (FILE *STREAM, long int OFFSET, int WHENCE)’

     ‘stdio.h’ (ISO): *note File Positioning::.

‘int fseeko (FILE *STREAM, off_t OFFSET, int WHENCE)’

     ‘stdio.h’ (Unix98): *note File Positioning::.

‘int fseeko64 (FILE *STREAM, off64_t OFFSET, int WHENCE)’

     ‘stdio.h’ (Unix98): *note File Positioning::.

‘int fsetpos (FILE *STREAM, const fpos_t *POSITION)’

     ‘stdio.h’ (ISO): *note Portable Positioning::.

‘int fsetpos64 (FILE *STREAM, const fpos64_t *POSITION)’

     ‘stdio.h’ (Unix98): *note Portable Positioning::.

‘float fsqrt (double X)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘float fsqrtl (long double X)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘struct fstab’

     ‘fstab.h’ (BSD): *note fstab::.

‘int fstat (int FILEDES, struct stat *BUF)’

     ‘sys/stat.h’ (POSIX.1): *note Reading Attributes::.

‘int fstat64 (int FILEDES, struct stat64 *BUF)’

     ‘sys/stat.h’ (Unix98): *note Reading Attributes::.

‘int fstatat (int FILEDES, const char *FILENAME, struct stat *BUF, int FLAGS)’

     ‘sys/stat.h’ (POSIX.1): *note Reading Attributes::.

‘int fstatat64 (int FILEDES, const char *FILENAME, struct stat64 *BUF, int FLAGS)’

     ‘sys/stat.h’ (GNU): *note Reading Attributes::.

‘float fsub (double X, double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘float fsubl (long double X, long double Y)’

     ‘math.h’ (TS 18661-1:2014): *note Misc FP Arithmetic::.

‘int fsync (int FILDES)’

     ‘unistd.h’ (POSIX): *note Synchronizing I/O::.

‘long int ftell (FILE *STREAM)’

     ‘stdio.h’ (ISO): *note File Positioning::.

‘off_t ftello (FILE *STREAM)’

     ‘stdio.h’ (Unix98): *note File Positioning::.

‘off64_t ftello64 (FILE *STREAM)’

     ‘stdio.h’ (Unix98): *note File Positioning::.

‘int ftruncate (int FD, off_t LENGTH)’

     ‘unistd.h’ (POSIX): *note File Size::.

‘int ftruncate64 (int ID, off64_t LENGTH)’

     ‘unistd.h’ (Unix98): *note File Size::.

‘int ftrylockfile (FILE *STREAM)’

     ‘stdio.h’ (POSIX): *note Streams and Threads::.

‘int ftw (const char *FILENAME, __ftw_func_t FUNC, int DESCRIPTORS)’

     ‘ftw.h’ (SVID): *note Working with Directory Trees::.

‘int ftw64 (const char *FILENAME, __ftw64_func_t FUNC, int DESCRIPTORS)’

     ‘ftw.h’ (Unix98): *note Working with Directory Trees::.

‘void funlockfile (FILE *STREAM)’

     ‘stdio.h’ (POSIX): *note Streams and Threads::.

‘int futimens (int FILEDES, const struct timespec TSP[2])’

     ‘sys/stat.h’ (POSIX.1-2008): *note File Times::.

‘int futimes (int FD, const struct timeval TVP[2])’

     ‘sys/time.h’ (BSD): *note File Times::.

‘int fwide (FILE *STREAM, int MODE)’

     ‘wchar.h’ (ISO): *note Streams and I18N::.

‘int fwprintf (FILE *STREAM, const wchar_t *TEMPLATE, ...)’

     ‘wchar.h’ (ISO): *note Formatted Output Functions::.

‘size_t fwrite (const void *DATA, size_t SIZE, size_t COUNT, FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Block Input/Output::.

‘size_t fwrite_unlocked (const void *DATA, size_t SIZE, size_t COUNT, FILE *STREAM)’

     ‘stdio.h’ (GNU): *note Block Input/Output::.

‘int fwscanf (FILE *STREAM, const wchar_t *TEMPLATE, ...)’

     ‘wchar.h’ (ISO): *note Formatted Input Functions::.

‘double gamma (double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘float gammaf (float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘long double gammal (long double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘char * gcvt (double VALUE, int NDIGIT, char *BUF)’

     ‘stdlib.h’ (SVID): *note System V Number Conversion::.

     ‘stdlib.h’ (Unix98): *note System V Number Conversion::.

‘long int get_avphys_pages (void)’

     ‘sys/sysinfo.h’ (GNU): *note Query Memory Parameters::.

‘char * get_current_dir_name (void)’

     ‘unistd.h’ (GNU): *note Working Directory::.

‘int get_nprocs (void)’

     ‘sys/sysinfo.h’ (GNU): *note Processor Resources::.

‘int get_nprocs_conf (void)’

     ‘sys/sysinfo.h’ (GNU): *note Processor Resources::.

‘long int get_phys_pages (void)’

     ‘sys/sysinfo.h’ (GNU): *note Query Memory Parameters::.

‘unsigned long int getauxval (unsigned long int TYPE)’

     ‘sys/auxv.h’ (???): *note Auxiliary Vector::.

‘int getc (FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Character Input::.

‘int getc_unlocked (FILE *STREAM)’

     ‘stdio.h’ (POSIX): *note Character Input::.

‘int getchar (void)’

     ‘stdio.h’ (ISO): *note Character Input::.

‘int getchar_unlocked (void)’

     ‘stdio.h’ (POSIX): *note Character Input::.

‘int getcontext (ucontext_t *UCP)’

     ‘ucontext.h’ (SVID): *note System V contexts::.

‘int getcpu (unsigned int *cpu, unsigned int *node)’

     ‘<sched.h>’ (Linux): *note CPU Affinity::.

‘char * getcwd (char *BUFFER, size_t SIZE)’

     ‘unistd.h’ (POSIX.1): *note Working Directory::.

‘struct tm * getdate (const char *STRING)’

     ‘time.h’ (Unix98): *note General Time String Parsing::.

‘getdate_err’

     ‘time.h’ (Unix98): *note General Time String Parsing::.

‘int getdate_r (const char *STRING, struct tm *TP)’

     ‘time.h’ (GNU): *note General Time String Parsing::.

‘ssize_t getdelim (char **restrict LINEPTR, size_t *restrict N, int DELIMITER, FILE *restrict STREAM)’

     ‘stdio.h’ (POSIX.1-2008): *note Line Input::.

‘ssize_t getdents64 (int FD, void *BUFFER, size_t LENGTH)’

     ‘dirent.h’ (Linux): *note Low-level Directory Access::.

‘int getdomainname (char *NAME, size_t LENGTH)’

     ‘unistd.h’ (???): *note Host Identification::.

‘gid_t getegid (void)’

     ‘unistd.h’ (POSIX.1): *note Reading Persona::.

‘int getentropy (void *BUFFER, size_t LENGTH)’

     ‘sys/random.h’ (GNU): *note Unpredictable Bytes::.

‘char * getenv (const char *NAME)’

     ‘stdlib.h’ (ISO): *note Environment Access::.

‘uid_t geteuid (void)’

     ‘unistd.h’ (POSIX.1): *note Reading Persona::.

‘struct fstab * getfsent (void)’

     ‘fstab.h’ (BSD): *note fstab::.

‘struct fstab * getfsfile (const char *NAME)’

     ‘fstab.h’ (BSD): *note fstab::.

‘struct fstab * getfsspec (const char *NAME)’

     ‘fstab.h’ (BSD): *note fstab::.

‘gid_t getgid (void)’

     ‘unistd.h’ (POSIX.1): *note Reading Persona::.

‘struct group * getgrent (void)’

     ‘grp.h’ (SVID): *note Scanning All Groups::.

     ‘grp.h’ (BSD): *note Scanning All Groups::.

‘int getgrent_r (struct group *RESULT_BUF, char *BUFFER, size_t BUFLEN, struct group **RESULT)’

     ‘grp.h’ (GNU): *note Scanning All Groups::.

‘struct group * getgrgid (gid_t GID)’

     ‘grp.h’ (POSIX.1): *note Lookup Group::.

‘int getgrgid_r (gid_t GID, struct group *RESULT_BUF, char *BUFFER, size_t BUFLEN, struct group **RESULT)’

     ‘grp.h’ (POSIX.1c): *note Lookup Group::.

‘struct group * getgrnam (const char *NAME)’

     ‘grp.h’ (SVID): *note Lookup Group::.

     ‘grp.h’ (BSD): *note Lookup Group::.

‘int getgrnam_r (const char *NAME, struct group *RESULT_BUF, char *BUFFER, size_t BUFLEN, struct group **RESULT)’

     ‘grp.h’ (POSIX.1c): *note Lookup Group::.

‘int getgrouplist (const char *USER, gid_t GROUP, gid_t *GROUPS, int *NGROUPS)’

     ‘grp.h’ (BSD): *note Setting Groups::.

‘int getgroups (int COUNT, gid_t *GROUPS)’

     ‘unistd.h’ (POSIX.1): *note Reading Persona::.

‘struct hostent * gethostbyaddr (const void *ADDR, socklen_t LENGTH, int FORMAT)’

     ‘netdb.h’ (BSD): *note Host Names::.

‘int gethostbyaddr_r (const void *ADDR, socklen_t LENGTH, int FORMAT, struct hostent *restrict RESULT_BUF, char *restrict BUF, size_t BUFLEN, struct hostent **restrict RESULT, int *restrict H_ERRNOP)’

     ‘netdb.h’ (GNU): *note Host Names::.

‘struct hostent * gethostbyname (const char *NAME)’

     ‘netdb.h’ (BSD): *note Host Names::.

‘struct hostent * gethostbyname2 (const char *NAME, int AF)’

     ‘netdb.h’ (IPv6 Basic API): *note Host Names::.

‘int gethostbyname2_r (const char *NAME, int AF, struct hostent *restrict RESULT_BUF, char *restrict BUF, size_t BUFLEN, struct hostent **restrict RESULT, int *restrict H_ERRNOP)’

     ‘netdb.h’ (GNU): *note Host Names::.

‘int gethostbyname_r (const char *restrict NAME, struct hostent *restrict RESULT_BUF, char *restrict BUF, size_t BUFLEN, struct hostent **restrict RESULT, int *restrict H_ERRNOP)’

     ‘netdb.h’ (GNU): *note Host Names::.

‘struct hostent * gethostent (void)’

     ‘netdb.h’ (BSD): *note Host Names::.

‘long int gethostid (void)’

     ‘unistd.h’ (BSD): *note Host Identification::.

‘int gethostname (char *NAME, size_t SIZE)’

     ‘unistd.h’ (BSD): *note Host Identification::.

‘int getitimer (int WHICH, struct itimerval *OLD)’

     ‘sys/time.h’ (BSD): *note Setting an Alarm::.

‘ssize_t getline (char **restrict LINEPTR, size_t *restrict N, FILE *restrict STREAM)’

     ‘stdio.h’ (POSIX.1-2008): *note Line Input::.

‘int getloadavg (double LOADAVG[], int NELEM)’

     ‘stdlib.h’ (BSD): *note Processor Resources::.

‘char * getlogin (void)’

     ‘unistd.h’ (POSIX.1): *note Who Logged In::.

‘struct mntent * getmntent (FILE *STREAM)’

     ‘mntent.h’ (BSD): *note mtab::.

‘struct mntent * getmntent_r (FILE *STREAM, struct mntent *RESULT, char *BUFFER, int BUFSIZE)’

     ‘mntent.h’ (BSD): *note mtab::.

‘struct netent * getnetbyaddr (uint32_t NET, int TYPE)’

     ‘netdb.h’ (BSD): *note Networks Database::.

‘struct netent * getnetbyname (const char *NAME)’

     ‘netdb.h’ (BSD): *note Networks Database::.

‘struct netent * getnetent (void)’

     ‘netdb.h’ (BSD): *note Networks Database::.

‘int getnetgrent (char **HOSTP, char **USERP, char **DOMAINP)’

     ‘netdb.h’ (BSD): *note Lookup Netgroup::.

‘int getnetgrent_r (char **HOSTP, char **USERP, char **DOMAINP, char *BUFFER, size_t BUFLEN)’

     ‘netdb.h’ (GNU): *note Lookup Netgroup::.

‘int getopt (int ARGC, char *const *ARGV, const char *OPTIONS)’

     ‘unistd.h’ (POSIX.2): *note Using Getopt::.

‘int getopt_long (int ARGC, char *const *ARGV, const char *SHORTOPTS, const struct option *LONGOPTS, int *INDEXPTR)’

     ‘getopt.h’ (GNU): *note Getopt Long Options::.

‘int getopt_long_only (int ARGC, char *const *ARGV, const char *SHORTOPTS, const struct option *LONGOPTS, int *INDEXPTR)’

     ‘getopt.h’ (GNU): *note Getopt Long Options::.

‘int getpagesize (void)’

     ‘unistd.h’ (BSD): *note Query Memory Parameters::.

‘char * getpass (const char *PROMPT)’

     ‘unistd.h’ (BSD): *note getpass::.

‘double getpayload (const double *X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘float getpayloadf (const float *X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘_FloatN getpayloadfN (const _FloatN *X)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘_FloatNx getpayloadfNx (const _FloatNx *X)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘long double getpayloadl (const long double *X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int getpeername (int SOCKET, struct sockaddr *ADDR, socklen_t *LENGTH-PTR)’

     ‘sys/socket.h’ (BSD): *note Who is Connected::.

‘int getpgid (pid_t PID)’

     ‘unistd.h’ (POSIX.1): *note Process Group Functions::.

‘pid_t getpgrp (void)’

     ‘unistd.h’ (POSIX.1): *note Process Group Functions::.

‘pid_t getpid (void)’

     ‘unistd.h’ (POSIX.1): *note Process Identification::.

‘pid_t getppid (void)’

     ‘unistd.h’ (POSIX.1): *note Process Identification::.

‘int getpriority (int CLASS, int ID)’

     ‘sys/resource.h’ (BSD): *note Traditional Scheduling Functions::.

     ‘sys/resource.h’ (POSIX): *note Traditional Scheduling Functions::.

‘struct protoent * getprotobyname (const char *NAME)’

     ‘netdb.h’ (BSD): *note Protocols Database::.

‘struct protoent * getprotobynumber (int PROTOCOL)’

     ‘netdb.h’ (BSD): *note Protocols Database::.

‘struct protoent * getprotoent (void)’

     ‘netdb.h’ (BSD): *note Protocols Database::.

‘int getpt (void)’

     ‘stdlib.h’ (GNU): *note Allocation::.

‘struct passwd * getpwent (void)’

     ‘pwd.h’ (POSIX.1): *note Scanning All Users::.

‘int getpwent_r (struct passwd *RESULT_BUF, char *BUFFER, size_t BUFLEN, struct passwd **RESULT)’

     ‘pwd.h’ (GNU): *note Scanning All Users::.

‘struct passwd * getpwnam (const char *NAME)’

     ‘pwd.h’ (POSIX.1): *note Lookup User::.

‘int getpwnam_r (const char *NAME, struct passwd *RESULT_BUF, char *BUFFER, size_t BUFLEN, struct passwd **RESULT)’

     ‘pwd.h’ (POSIX.1c): *note Lookup User::.

‘struct passwd * getpwuid (uid_t UID)’

     ‘pwd.h’ (POSIX.1): *note Lookup User::.

‘int getpwuid_r (uid_t UID, struct passwd *RESULT_BUF, char *BUFFER, size_t BUFLEN, struct passwd **RESULT)’

     ‘pwd.h’ (POSIX.1c): *note Lookup User::.

‘ssize_t getrandom (void *BUFFER, size_t LENGTH, unsigned int FLAGS)’

     ‘sys/random.h’ (GNU): *note Unpredictable Bytes::.

‘int getrlimit (int RESOURCE, struct rlimit *RLP)’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘int getrlimit64 (int RESOURCE, struct rlimit64 *RLP)’

     ‘sys/resource.h’ (Unix98): *note Limits on Resources::.

‘int getrusage (int PROCESSES, struct rusage *RUSAGE)’

     ‘sys/resource.h’ (BSD): *note Resource Usage::.

‘char * gets (char *S)’

     ‘stdio.h’ (ISO): *note Line Input::.

‘struct servent * getservbyname (const char *NAME, const char *PROTO)’

     ‘netdb.h’ (BSD): *note Services Database::.

‘struct servent * getservbyport (int PORT, const char *PROTO)’

     ‘netdb.h’ (BSD): *note Services Database::.

‘struct servent * getservent (void)’

     ‘netdb.h’ (BSD): *note Services Database::.

‘pid_t getsid (pid_t PID)’

     ‘unistd.h’ (SVID): *note Process Group Functions::.

‘int getsockname (int SOCKET, struct sockaddr *ADDR, socklen_t *LENGTH-PTR)’

     ‘sys/socket.h’ (BSD): *note Reading Address::.

‘int getsockopt (int SOCKET, int LEVEL, int OPTNAME, void *OPTVAL, socklen_t *OPTLEN-PTR)’

     ‘sys/socket.h’ (BSD): *note Socket Option Functions::.

‘int getsubopt (char **restrict OPTIONP, char *const *restrict TOKENS, char **restrict VALUEP)’

     ‘stdlib.h’ (POSIX): *note Suboptions::.

‘char * gettext (const char *MSGID)’

     ‘libintl.h’ (POSIX-1.2024): *note Translation with gettext::.

‘pid_t gettid (void)’

     ‘unistd.h’ (Linux): *note Process Identification::.

‘int gettimeofday (struct timeval *TP, void *TZP)’

     ‘sys/time.h’ (BSD): *note Getting the Time::.

‘uid_t getuid (void)’

     ‘unistd.h’ (POSIX.1): *note Reading Persona::.

‘mode_t getumask (void)’

     ‘sys/stat.h’ (GNU): *note Setting Permissions::.

‘struct utmp * getutent (void)’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘int getutent_r (struct utmp *BUFFER, struct utmp **RESULT)’

     ‘utmp.h’ (GNU): *note Manipulating the Database::.

‘struct utmp * getutid (const struct utmp *ID)’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘int getutid_r (const struct utmp *ID, struct utmp *BUFFER, struct utmp **RESULT)’

     ‘utmp.h’ (GNU): *note Manipulating the Database::.

‘struct utmp * getutline (const struct utmp *LINE)’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘int getutline_r (const struct utmp *LINE, struct utmp *BUFFER, struct utmp **RESULT)’

     ‘utmp.h’ (GNU): *note Manipulating the Database::.

‘int getutmp (const struct utmpx *UTMPX, struct utmp *UTMP)’

     ‘utmp.h’ (GNU): *note XPG Functions::.

     ‘utmpx.h’ (GNU): *note XPG Functions::.

‘int getutmpx (const struct utmp *UTMP, struct utmpx *UTMPX)’

     ‘utmp.h’ (GNU): *note XPG Functions::.

     ‘utmpx.h’ (GNU): *note XPG Functions::.

‘struct utmpx * getutxent (void)’

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘struct utmpx * getutxid (const struct utmpx *ID)’

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘struct utmpx * getutxline (const struct utmpx *LINE)’

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘int getw (FILE *STREAM)’

     ‘stdio.h’ (SVID): *note Character Input::.

‘wint_t getwc (FILE *STREAM)’

     ‘wchar.h’ (ISO): *note Character Input::.

‘wint_t getwc_unlocked (FILE *STREAM)’

     ‘wchar.h’ (GNU): *note Character Input::.

‘wint_t getwchar (void)’

     ‘wchar.h’ (ISO): *note Character Input::.

‘wint_t getwchar_unlocked (void)’

     ‘wchar.h’ (GNU): *note Character Input::.

‘char * getwd (char *BUFFER)’

     ‘unistd.h’ (BSD): *note Working Directory::.

‘gid_t’

     ‘sys/types.h’ (POSIX.1): *note Reading Persona::.

‘int glob (const char *PATTERN, int FLAGS, int (*ERRFUNC) (const char *FILENAME, int ERROR-CODE), glob_t *VECTOR-PTR)’

     ‘glob.h’ (POSIX.2): *note Calling Glob::.

‘int glob64 (const char *PATTERN, int FLAGS, int (*ERRFUNC) (const char *FILENAME, int ERROR-CODE), glob64_t *VECTOR-PTR)’

     ‘glob.h’ (GNU): *note Calling Glob::.

‘glob64_t’

     ‘glob.h’ (GNU): *note Calling Glob::.

‘glob_t’

     ‘glob.h’ (POSIX.2): *note Calling Glob::.

‘void globfree (glob_t *PGLOB)’

     ‘glob.h’ (POSIX.2): *note More Flags for Globbing::.

‘void globfree64 (glob64_t *PGLOB)’

     ‘glob.h’ (GNU): *note More Flags for Globbing::.

‘struct tm * gmtime (const time_t *TIME)’

     ‘time.h’ (ISO): *note Broken-down Time::.

‘struct tm * gmtime_r (const time_t *TIME, struct tm *RESULTP)’

     ‘time.h’ (POSIX.1c): *note Broken-down Time::.

‘int grantpt (int FILEDES)’

     ‘stdlib.h’ (SVID): *note Allocation::.

     ‘stdlib.h’ (XPG4.2): *note Allocation::.

‘struct group’

     ‘grp.h’ (POSIX.1): *note Group Data Structure::.

‘int gsignal (int SIGNUM)’

     ‘signal.h’ (SVID): *note Signaling Yourself::.

‘int gtty (int FILEDES, struct sgttyb *ATTRIBUTES)’

     ‘sgtty.h’ (BSD): *note BSD Terminal Modes::.

‘char * hasmntopt (const struct mntent *MNT, const char *OPT)’

     ‘mntent.h’ (BSD): *note mtab::.

‘int hcreate (size_t NEL)’

     ‘search.h’ (SVID): *note Hash Search Function::.

‘int hcreate_r (size_t NEL, struct hsearch_data *HTAB)’

     ‘search.h’ (GNU): *note Hash Search Function::.

‘void hdestroy (void)’

     ‘search.h’ (SVID): *note Hash Search Function::.

‘void hdestroy_r (struct hsearch_data *HTAB)’

     ‘search.h’ (GNU): *note Hash Search Function::.

‘struct hostent’

     ‘netdb.h’ (BSD): *note Host Names::.

‘ENTRY * hsearch (ENTRY ITEM, ACTION ACTION)’

     ‘search.h’ (SVID): *note Hash Search Function::.

‘int hsearch_r (ENTRY ITEM, ACTION ACTION, ENTRY **RETVAL, struct hsearch_data *HTAB)’

     ‘search.h’ (GNU): *note Hash Search Function::.

‘uint32_t htonl (uint32_t HOSTLONG)’

     ‘netinet/in.h’ (BSD): *note Byte Order::.

‘uint16_t htons (uint16_t HOSTSHORT)’

     ‘netinet/in.h’ (BSD): *note Byte Order::.

‘double hypot (double X, double Y)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float hypotf (float X, float Y)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN hypotfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx hypotfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double hypotl (long double X, long double Y)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘size_t iconv (iconv_t CD, char **INBUF, size_t *INBYTESLEFT, char **OUTBUF, size_t *OUTBYTESLEFT)’

     ‘iconv.h’ (XPG2): *note Generic Conversion Interface::.

‘int iconv_close (iconv_t CD)’

     ‘iconv.h’ (XPG2): *note Generic Conversion Interface::.

‘iconv_t iconv_open (const char *TOCODE, const char *FROMCODE)’

     ‘iconv.h’ (XPG2): *note Generic Conversion Interface::.

‘iconv_t’

     ‘iconv.h’ (XPG2): *note Generic Conversion Interface::.

‘void if_freenameindex (struct if_nameindex *PTR)’

     ‘net/if.h’ (IPv6 basic API): *note Interface Naming::.

‘char * if_indextoname (unsigned int IFINDEX, char *IFNAME)’

     ‘net/if.h’ (IPv6 basic API): *note Interface Naming::.

‘struct if_nameindex’

     ‘net/if.h’ (IPv6 basic API): *note Interface Naming::.

‘struct if_nameindex * if_nameindex (void)’

     ‘net/if.h’ (IPv6 basic API): *note Interface Naming::.

‘unsigned int if_nametoindex (const char *IFNAME)’

     ‘net/if.h’ (IPv6 basic API): *note Interface Naming::.

‘int ilogb (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘int ilogbf (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘int ilogbfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘int ilogbfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘int ilogbl (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘intmax_t imaxabs (intmax_t NUMBER)’

     ‘inttypes.h’ (ISO): *note Absolute Value::.

‘imaxdiv_t imaxdiv (intmax_t NUMERATOR, intmax_t DENOMINATOR)’

     ‘inttypes.h’ (ISO): *note Integer Division::.

‘imaxdiv_t’

     ‘inttypes.h’ (ISO): *note Integer Division::.

‘struct in6_addr’

     ‘netinet/in.h’ (IPv6 basic API): *note Host Address Data Type::.

‘struct in6_addr in6addr_any’

     ‘netinet/in.h’ (IPv6 basic API): *note Host Address Data Type::.

‘struct in6_addr in6addr_loopback’

     ‘netinet/in.h’ (IPv6 basic API): *note Host Address Data Type::.

‘struct in_addr’

     ‘netinet/in.h’ (BSD): *note Host Address Data Type::.

‘char * index (const char *STRING, int C)’

     ‘string.h’ (BSD): *note Search Functions::.

‘uint32_t inet_addr (const char *NAME)’

     ‘arpa/inet.h’ (BSD): *note Host Address Functions::.

‘int inet_aton (const char *NAME, struct in_addr *ADDR)’

     ‘arpa/inet.h’ (BSD): *note Host Address Functions::.

‘uint32_t inet_lnaof (struct in_addr ADDR)’

     ‘arpa/inet.h’ (BSD): *note Host Address Functions::.

‘struct in_addr inet_makeaddr (uint32_t NET, uint32_t LOCAL)’

     ‘arpa/inet.h’ (BSD): *note Host Address Functions::.

‘uint32_t inet_netof (struct in_addr ADDR)’

     ‘arpa/inet.h’ (BSD): *note Host Address Functions::.

‘uint32_t inet_network (const char *NAME)’

     ‘arpa/inet.h’ (BSD): *note Host Address Functions::.

‘char * inet_ntoa (struct in_addr ADDR)’

     ‘arpa/inet.h’ (BSD): *note Host Address Functions::.

‘const char * inet_ntop (int AF, const void *CP, char *BUF, socklen_t LEN)’

     ‘arpa/inet.h’ (IPv6 basic API): *note Host Address Functions::.

‘int inet_pton (int AF, const char *CP, void *BUF)’

     ‘arpa/inet.h’ (IPv6 basic API): *note Host Address Functions::.

‘int initgroups (const char *USER, gid_t GROUP)’

     ‘grp.h’ (BSD): *note Setting Groups::.

‘char * initstate (unsigned int SEED, char *STATE, size_t SIZE)’

     ‘stdlib.h’ (BSD): *note BSD Random::.

‘int initstate_r (unsigned int SEED, char *restrict STATEBUF, size_t STATELEN, struct random_data *restrict BUF)’

     ‘stdlib.h’ (GNU): *note BSD Random::.

‘int innetgr (const char *NETGROUP, const char *HOST, const char *USER, const char *DOMAIN)’

     ‘netdb.h’ (BSD): *note Netgroup Membership::.

‘ino64_t’

     ‘sys/types.h’ (Unix98): *note Attribute Meanings::.

‘ino_t’

     ‘sys/types.h’ (POSIX.1): *note Attribute Meanings::.

‘int ioctl (int FILEDES, int COMMAND, ...)’

     ‘sys/ioctl.h’ (BSD): *note IOCTLs::.

‘struct iovec’

     ‘sys/uio.h’ (BSD): *note Scatter-Gather::.

‘int isalnum (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int isalpha (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int isascii (int C)’

     ‘ctype.h’ (SVID): *note Classification of Characters::.

     ‘ctype.h’ (BSD): *note Classification of Characters::.

‘int isatty (int FILEDES)’

     ‘unistd.h’ (POSIX.1): *note Is It a Terminal::.

‘int isblank (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int iscanonical (_float-type_ X)’

     ‘math.h’ (ISO): *note Floating Point Classes::.

‘int iscntrl (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int isdigit (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int iseqsig (_real-floating_ X, _real-floating_ Y)’

     ‘math.h’ (ISO): *note FP Comparison Functions::.

‘int isfinite (_float-type_ X)’

     ‘math.h’ (ISO): *note Floating Point Classes::.

‘int isgraph (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int isgreater (_real-floating_ X, _real-floating_ Y)’

     ‘math.h’ (ISO): *note FP Comparison Functions::.

‘int isgreaterequal (_real-floating_ X, _real-floating_ Y)’

     ‘math.h’ (ISO): *note FP Comparison Functions::.

‘int isinf (double X)’

     ‘math.h’ (BSD): *note Floating Point Classes::.

‘int isinff (float X)’

     ‘math.h’ (BSD): *note Floating Point Classes::.

‘int isinfl (long double X)’

     ‘math.h’ (BSD): *note Floating Point Classes::.

‘int isless (_real-floating_ X, _real-floating_ Y)’

     ‘math.h’ (ISO): *note FP Comparison Functions::.

‘int islessequal (_real-floating_ X, _real-floating_ Y)’

     ‘math.h’ (ISO): *note FP Comparison Functions::.

‘int islessgreater (_real-floating_ X, _real-floating_ Y)’

     ‘math.h’ (ISO): *note FP Comparison Functions::.

‘int islower (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int isnan (_float-type_ X)’

     ‘math.h’ (ISO): *note Floating Point Classes::.

‘int isnan (double X)’

     ‘math.h’ (BSD): *note Floating Point Classes::.

‘int isnanf (float X)’

     ‘math.h’ (BSD): *note Floating Point Classes::.

‘int isnanl (long double X)’

     ‘math.h’ (BSD): *note Floating Point Classes::.

‘int isnormal (_float-type_ X)’

     ‘math.h’ (ISO): *note Floating Point Classes::.

‘int isprint (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int ispunct (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int issignaling (_float-type_ X)’

     ‘math.h’ (ISO): *note Floating Point Classes::.

‘int isspace (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int issubnormal (_float-type_ X)’

     ‘math.h’ (ISO): *note Floating Point Classes::.

‘int isunordered (_real-floating_ X, _real-floating_ Y)’

     ‘math.h’ (ISO): *note FP Comparison Functions::.

‘int isupper (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int iswalnum (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswalpha (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswblank (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswcntrl (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswctype (wint_t WC, wctype_t DESC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswdigit (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswgraph (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswlower (wint_t WC)’

     ‘ctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswprint (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswpunct (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswspace (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswupper (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int iswxdigit (wint_t WC)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘int isxdigit (int C)’

     ‘ctype.h’ (ISO): *note Classification of Characters::.

‘int iszero (_float-type_ X)’

     ‘math.h’ (ISO): *note Floating Point Classes::.

‘struct itimerval’

     ‘sys/time.h’ (BSD): *note Setting an Alarm::.

‘double j0 (double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘float j0f (float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘_FloatN j0fN (_FloatN X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘_FloatNx j0fNx (_FloatNx X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘long double j0l (long double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘double j1 (double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘float j1f (float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘_FloatN j1fN (_FloatN X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘_FloatNx j1fNx (_FloatNx X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘long double j1l (long double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘jmp_buf’

     ‘setjmp.h’ (ISO): *note Non-Local Details::.

‘double jn (int N, double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘float jnf (int N, float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘_FloatN jnfN (int N, _FloatN X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘_FloatNx jnfNx (int N, _FloatNx X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘long double jnl (int N, long double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘long int jrand48 (unsigned short int XSUBI[3])’

     ‘stdlib.h’ (SVID): *note SVID Random::.

‘int jrand48_r (unsigned short int XSUBI[3], struct drand48_data *BUFFER, long int *RESULT)’

     ‘stdlib.h’ (GNU): *note SVID Random::.

‘int kill (pid_t PID, int SIGNUM)’

     ‘signal.h’ (POSIX.1): *note Signaling Another Process::.

‘int killpg (int PGID, int SIGNUM)’

     ‘signal.h’ (BSD): *note Signaling Another Process::.

‘char * l64a (long int N)’

     ‘stdlib.h’ (XPG): *note Encode Binary Data::.

‘long int labs (long int NUMBER)’

     ‘stdlib.h’ (ISO): *note Absolute Value::.

‘void lcong48 (unsigned short int PARAM[7])’

     ‘stdlib.h’ (SVID): *note SVID Random::.

‘int lcong48_r (unsigned short int PARAM[7], struct drand48_data *BUFFER)’

     ‘stdlib.h’ (GNU): *note SVID Random::.

‘struct lconv’

     ‘locale.h’ (ISO): *note The Lame Way to Locale Data::.

‘double ldexp (double VALUE, int EXPONENT)’

     ‘math.h’ (ISO): *note Normalization Functions::.

‘float ldexpf (float VALUE, int EXPONENT)’

     ‘math.h’ (ISO): *note Normalization Functions::.

‘_FloatN ldexpfN (_FloatN VALUE, int EXPONENT)’

     ‘math.h’ (TS 18661-3:2015): *note Normalization Functions::.

‘_FloatNx ldexpfNx (_FloatNx VALUE, int EXPONENT)’

     ‘math.h’ (TS 18661-3:2015): *note Normalization Functions::.

‘long double ldexpl (long double VALUE, int EXPONENT)’

     ‘math.h’ (ISO): *note Normalization Functions::.

‘ldiv_t ldiv (long int NUMERATOR, long int DENOMINATOR)’

     ‘stdlib.h’ (ISO): *note Integer Division::.

‘ldiv_t’

     ‘stdlib.h’ (ISO): *note Integer Division::.

‘void * lfind (const void *KEY, const void *BASE, size_t *NMEMB, size_t SIZE, comparison_fn_t COMPAR)’

     ‘search.h’ (SVID): *note Array Search Function::.

‘double lgamma (double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘double lgamma_r (double X, int *SIGNP)’

     ‘math.h’ (XPG): *note Special Functions::.

‘float lgammaf (float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘_FloatN lgammafN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Special Functions::.

‘_FloatN lgammafN_r (_FloatN X, int *SIGNP)’

     ‘math.h’ (GNU): *note Special Functions::.

‘_FloatNx lgammafNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Special Functions::.

‘_FloatNx lgammafNx_r (_FloatNx X, int *SIGNP)’

     ‘math.h’ (GNU): *note Special Functions::.

‘float lgammaf_r (float X, int *SIGNP)’

     ‘math.h’ (XPG): *note Special Functions::.

‘long double lgammal (long double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘long double lgammal_r (long double X, int *SIGNP)’

     ‘math.h’ (XPG): *note Special Functions::.

‘struct linger’

     ‘sys/socket.h’ (BSD): *note Socket-Level Options::.

‘int link (const char *OLDNAME, const char *NEWNAME)’

     ‘unistd.h’ (POSIX.1): *note Hard Links::.

‘int linkat (int oldfd, const char *OLDNAME, int newfd, const char *NEWNAME, int flags)’

     ‘unistd.h’ (POSIX.1): *note Hard Links::.

‘int lio_listio (int MODE, struct aiocb *const LIST[], int NENT, struct sigevent *SIG)’

     ‘aio.h’ (POSIX.1b): *note Asynchronous Reads/Writes::.

‘int lio_listio64 (int MODE, struct aiocb64 *const LIST[], int NENT, struct sigevent *SIG)’

     ‘aio.h’ (Unix98): *note Asynchronous Reads/Writes::.

‘int listen (int SOCKET, int N)’

     ‘sys/socket.h’ (BSD): *note Listening::.

‘long long int llabs (long long int NUMBER)’

     ‘stdlib.h’ (ISO): *note Absolute Value::.

‘lldiv_t lldiv (long long int NUMERATOR, long long int DENOMINATOR)’

     ‘stdlib.h’ (ISO): *note Integer Division::.

‘lldiv_t’

     ‘stdlib.h’ (ISO): *note Integer Division::.

‘long int llogb (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘long int llogbf (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘long int llogbfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long int llogbfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long int llogbl (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘long long int llrint (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long long int llrintf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long long int llrintfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long long int llrintfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long long int llrintl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long long int llround (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long long int llroundf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long long int llroundfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long long int llroundfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long long int llroundl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘struct lconv * localeconv (void)’

     ‘locale.h’ (ISO): *note The Lame Way to Locale Data::.

‘struct tm * localtime (const time_t *TIME)’

     ‘time.h’ (ISO): *note Broken-down Time::.

‘struct tm * localtime_r (const time_t *TIME, struct tm *RESULTP)’

     ‘time.h’ (POSIX.1c): *note Broken-down Time::.

‘double log (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘double log10 (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float log10f (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN log10fN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx log10fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double log10l (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘double log10p1 (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float log10p1f (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN log10p1fN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx log10p1fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double log10p1l (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘double log1p (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float log1pf (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN log1pfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx log1pfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double log1pl (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘double log2 (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float log2f (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN log2fN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx log2fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double log2l (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘double log2p1 (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float log2p1f (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN log2p1fN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx log2p1fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double log2p1l (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘double logb (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float logbf (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN logbfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx logbfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double logbl (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float logf (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN logfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx logfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘void login (const struct utmp *ENTRY)’

     ‘utmp.h’ (BSD): *note Logging In and Out::.

‘int login_tty (int FILEDES)’

     ‘utmp.h’ (BSD): *note Logging In and Out::.

‘long double logl (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘int logout (const char *UT_LINE)’

     ‘utmp.h’ (BSD): *note Logging In and Out::.

‘double logp1 (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float logp1f (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN logp1fN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx logp1fNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double logp1l (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘void logwtmp (const char *UT_LINE, const char *UT_NAME, const char *UT_HOST)’

     ‘utmp.h’ (BSD): *note Logging In and Out::.

‘void longjmp (jmp_buf STATE, int VALUE)’

     ‘setjmp.h’ (ISO): *note Non-Local Details::.

‘long int lrand48 (void)’

     ‘stdlib.h’ (SVID): *note SVID Random::.

‘int lrand48_r (struct drand48_data *BUFFER, long int *RESULT)’

     ‘stdlib.h’ (GNU): *note SVID Random::.

‘long int lrint (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long int lrintf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long int lrintfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long int lrintfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long int lrintl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long int lround (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long int lroundf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘long int lroundfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long int lroundfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long int lroundl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘void * lsearch (const void *KEY, void *BASE, size_t *NMEMB, size_t SIZE, comparison_fn_t COMPAR)’

     ‘search.h’ (SVID): *note Array Search Function::.

‘off_t lseek (int FILEDES, off_t OFFSET, int WHENCE)’

     ‘unistd.h’ (POSIX.1): *note File Position Primitive::.

‘off64_t lseek64 (int FILEDES, off64_t OFFSET, int WHENCE)’

     ‘unistd.h’ (Unix98): *note File Position Primitive::.

‘int lstat (const char *FILENAME, struct stat *BUF)’

     ‘sys/stat.h’ (BSD): *note Reading Attributes::.

‘int lstat64 (const char *FILENAME, struct stat64 *BUF)’

     ‘sys/stat.h’ (Unix98): *note Reading Attributes::.

‘int lutimes (const char *FILENAME, const struct timeval TVP[2])’

     ‘sys/time.h’ (BSD): *note File Times::.

‘int madvise (void *ADDR, size_t LENGTH, int ADVICE)’

     ‘sys/mman.h’ (POSIX): *note Memory-mapped I/O::.

‘void makecontext (ucontext_t *UCP, void (*FUNC) (void), int ARGC, ...)’

     ‘ucontext.h’ (SVID): *note System V contexts::.

‘struct mallinfo2’

     ‘malloc.h’ (GNU): *note Statistics of Malloc::.

‘struct mallinfo2 mallinfo2 (void)’

     ‘malloc.h’ (SVID): *note Statistics of Malloc::.

‘void * malloc (size_t SIZE)’

     ‘malloc.h’ (ISO): *note Basic Allocation::.

     ‘stdlib.h’ (ISO): *note Basic Allocation::.

‘int mblen (const char *STRING, size_t SIZE)’

     ‘stdlib.h’ (ISO): *note Non-reentrant Character Conversion::.

‘size_t mbrlen (const char *restrict S, size_t N, mbstate_t *PS)’

     ‘wchar.h’ (ISO): *note Converting a Character::.

‘size_t mbrtowc (wchar_t *restrict PWC, const char *restrict S, size_t N, mbstate_t *restrict PS)’

     ‘wchar.h’ (ISO): *note Converting a Character::.

‘int mbsinit (const mbstate_t *PS)’

     ‘wchar.h’ (ISO): *note Keeping the state::.

‘size_t mbsnrtowcs (wchar_t *restrict DST, const char **restrict SRC, size_t NMC, size_t LEN, mbstate_t *restrict PS)’

     ‘wchar.h’ (GNU): *note Converting Strings::.

‘size_t mbsrtowcs (wchar_t *restrict DST, const char **restrict SRC, size_t LEN, mbstate_t *restrict PS)’

     ‘wchar.h’ (ISO): *note Converting Strings::.

‘mbstate_t’

     ‘wchar.h’ (ISO): *note Keeping the state::.

‘size_t mbstowcs (wchar_t *WSTRING, const char *STRING, size_t SIZE)’

     ‘stdlib.h’ (ISO): *note Non-reentrant String Conversion::.

‘int mbtowc (wchar_t *restrict RESULT, const char *restrict STRING, size_t SIZE)’

     ‘stdlib.h’ (ISO): *note Non-reentrant Character Conversion::.

‘int mcheck (void (*ABORTFN) (enum mcheck_status STATUS))’

     ‘mcheck.h’ (GNU): *note Heap Consistency Checking::.

‘void * memalign (size_t BOUNDARY, size_t SIZE)’

     ‘malloc.h’ (BSD): *note Aligned Memory Blocks::.

‘size_t memalignment (void *P)’

     ‘stdlib.h’ (C23): *note Aligned Memory Blocks::.

‘void * memccpy (void *restrict TO, const void *restrict FROM, int C, size_t SIZE)’

     ‘string.h’ (SVID): *note Copying Strings and Arrays::.

‘void * memchr (const void *BLOCK, int C, size_t SIZE)’

     ‘string.h’ (ISO): *note Search Functions::.

‘int memcmp (const void *A1, const void *A2, size_t SIZE)’

     ‘string.h’ (ISO): *note String/Array Comparison::.

‘void * memcpy (void *restrict TO, const void *restrict FROM, size_t SIZE)’

     ‘string.h’ (ISO): *note Copying Strings and Arrays::.

‘int memfd_create (const char *NAME, unsigned int FLAGS)’

     ‘sys/mman.h’ (Linux): *note Memory-mapped I/O::.

‘void * memfrob (void *MEM, size_t LENGTH)’

     ‘string.h’ (GNU): *note Obfuscating Data::.

‘void * memmem (const void *HAYSTACK, size_t HAYSTACK-LEN,
const void *NEEDLE, size_t NEEDLE-LEN)’

     ‘string.h’ (POSIX.1-2024): *note Search Functions::.

‘void * memmove (void *TO, const void *FROM, size_t SIZE)’

     ‘string.h’ (ISO): *note Copying Strings and Arrays::.

‘void * mempcpy (void *restrict TO, const void *restrict FROM, size_t SIZE)’

     ‘string.h’ (GNU): *note Copying Strings and Arrays::.

‘void * memrchr (const void *BLOCK, int C, size_t SIZE)’

     ‘string.h’ (GNU): *note Search Functions::.

‘void * memset (void *BLOCK, int C, size_t SIZE)’

     ‘string.h’ (ISO): *note Copying Strings and Arrays::.

‘void * memset_explicit (void *BLOCK, int C, size_t SIZE)’

     ‘string.h’ (C23): *note Erasing Sensitive Data::.

‘int mkdir (const char *FILENAME, mode_t MODE)’

     ‘sys/stat.h’ (POSIX.1): *note Creating Directories::.

‘int mkdirat (int FILEDES, const char *FILENAME, mode_t MODE)’

     ‘sys/stat.h’ (POSIX.1-2008): *note Creating Directories::.

‘char * mkdtemp (char *TEMPLATE)’

     ‘stdlib.h’ (BSD): *note Temporary Files::.

‘int mkfifo (const char *FILENAME, mode_t MODE)’

     ‘sys/stat.h’ (POSIX.1): *note FIFO Special Files::.

‘int mknod (const char *FILENAME, mode_t MODE, dev_t DEV)’

     ‘sys/stat.h’ (BSD): *note Making Special Files::.

‘int mkstemp (char *TEMPLATE)’

     ‘stdlib.h’ (BSD): *note Temporary Files::.

‘char * mktemp (char *TEMPLATE)’

     ‘stdlib.h’ (Unix): *note Temporary Files::.

‘time_t mktime (struct tm *BROKENTIME)’

     ‘time.h’ (ISO): *note Broken-down Time::.

‘int mlock (const void *ADDR, size_t LEN)’

     ‘sys/mman.h’ (POSIX.1b): *note Page Lock Functions::.

‘int mlock2 (const void *ADDR, size_t LEN, unsigned int FLAGS)’

     ‘sys/mman.h’ (Linux): *note Page Lock Functions::.

‘int mlockall (int FLAGS)’

     ‘sys/mman.h’ (POSIX.1b): *note Page Lock Functions::.

‘void * mmap (void *ADDRESS, size_t LENGTH, int PROTECT, int FLAGS, int FILEDES, off_t OFFSET)’

     ‘sys/mman.h’ (POSIX): *note Memory-mapped I/O::.

‘void * mmap64 (void *ADDRESS, size_t LENGTH, int PROTECT, int FLAGS, int FILEDES, off64_t OFFSET)’

     ‘sys/mman.h’ (LFS): *note Memory-mapped I/O::.

‘struct mntent’

     ‘mntent.h’ (BSD): *note mtab::.

‘mode_t’

     ‘sys/types.h’ (POSIX.1): *note Attribute Meanings::.

‘double modf (double VALUE, double *INTEGER-PART)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float modff (float VALUE, float *INTEGER-PART)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN modffN (_FloatN VALUE, _FloatN *INTEGER-PART)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx modffNx (_FloatNx VALUE, _FloatNx *INTEGER-PART)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double modfl (long double VALUE, long double *INTEGER-PART)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘int mount (const char *SPECIAL_FILE, const char *DIR, const char *FSTYPE, unsigned long int OPTIONS, const void *DATA)’

     ‘sys/mount.h’ (SVID): *note Mount-Unmount-Remount::.

     ‘sys/mount.h’ (BSD): *note Mount-Unmount-Remount::.

‘int mprotect (void *ADDRESS, size_t LENGTH, int PROTECTION)’

     ‘sys/mman.h’ (POSIX): *note Memory Protection::.

‘long int mrand48 (void)’

     ‘stdlib.h’ (SVID): *note SVID Random::.

‘int mrand48_r (struct drand48_data *BUFFER, long int *RESULT)’

     ‘stdlib.h’ (GNU): *note SVID Random::.

‘void * mremap (void *ADDRESS, size_t LENGTH, size_t NEW_LENGTH, int FLAG, ... /* void *NEW_ADDRESS */)’

     ‘sys/mman.h’ (GNU): *note Memory-mapped I/O::.

‘int mseal (void *ADDRESS, size_t LENGTH, unsigned long FLAGS)’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘struct msghdr’

     ‘sys/socket.h’ (BSD): *note Other Socket APIs::.

‘int msync (void *ADDRESS, size_t LENGTH, int FLAGS)’

     ‘sys/mman.h’ (POSIX): *note Memory-mapped I/O::.

‘void mtrace (void)’

     ‘mcheck.h’ (GNU): *note Tracing malloc::.

‘void mtx_destroy (mtx_t *MUTEX)’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘int mtx_init (mtx_t *MUTEX, int TYPE)’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘int mtx_lock (mtx_t *MUTEX)’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘mtx_plain’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘mtx_recursive’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘mtx_t’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘mtx_timed’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘int mtx_timedlock (mtx_t *restrict MUTEX, const struct timespec *restrict TIME_POINT)’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘int mtx_trylock (mtx_t *MUTEX)’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘int mtx_unlock (mtx_t *MUTEX)’

     ‘threads.h’ (C11): *note ISO C Mutexes::.

‘int munlock (const void *ADDR, size_t LEN)’

     ‘sys/mman.h’ (POSIX.1b): *note Page Lock Functions::.

‘int munlockall (void)’

     ‘sys/mman.h’ (POSIX.1b): *note Page Lock Functions::.

‘int munmap (void *ADDR, size_t LENGTH)’

     ‘sys/mman.h’ (POSIX): *note Memory-mapped I/O::.

‘void muntrace (void)’

     ‘mcheck.h’ (GNU): *note Tracing malloc::.

‘double nan (const char *TAGP)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘float nanf (const char *TAGP)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘_FloatN nanfN (const char *TAGP)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘_FloatNx nanfNx (const char *TAGP)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘long double nanl (const char *TAGP)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int nanosleep (const struct timespec *REQUESTED_TIME, struct timespec *REMAINING_TIME)’

     ‘time.h’ (POSIX.1): *note Sleeping::.

‘double nearbyint (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float nearbyintf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN nearbyintfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx nearbyintfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double nearbyintl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘struct netent’

     ‘netdb.h’ (BSD): *note Networks Database::.

‘double nextafter (double X, double Y)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘float nextafterf (float X, float Y)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘_FloatN nextafterfN (_FloatN X, _FloatN Y)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘_FloatNx nextafterfNx (_FloatNx X, _FloatNx Y)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘long double nextafterl (long double X, long double Y)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘double nextdown (double X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘float nextdownf (float X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘_FloatN nextdownfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘_FloatNx nextdownfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘long double nextdownl (long double X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘double nexttoward (double X, long double Y)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘float nexttowardf (float X, long double Y)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘long double nexttowardl (long double X, long double Y)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘double nextup (double X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘float nextupf (float X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘_FloatN nextupfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘_FloatNx nextupfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘long double nextupl (long double X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int nftw (const char *FILENAME, __nftw_func_t FUNC, int DESCRIPTORS, int FLAG)’

     ‘ftw.h’ (XPG4.2): *note Working with Directory Trees::.

‘int nftw64 (const char *FILENAME, __nftw64_func_t FUNC, int DESCRIPTORS, int FLAG)’

     ‘ftw.h’ (Unix98): *note Working with Directory Trees::.

‘char * ngettext (const char *MSGID1, const char *MSGID2, unsigned long int N)’

     ‘libintl.h’ (POSIX-1.2024): *note Advanced gettext functions::.

‘int nice (int INCREMENT)’

     ‘unistd.h’ (BSD): *note Traditional Scheduling Functions::.

‘char * nl_langinfo (nl_item ITEM)’

     ‘langinfo.h’ (XOPEN): *note The Elegant and Fast Way::.

‘nlink_t’

     ‘sys/types.h’ (POSIX.1): *note Attribute Meanings::.

‘long int nrand48 (unsigned short int XSUBI[3])’

     ‘stdlib.h’ (SVID): *note SVID Random::.

‘int nrand48_r (unsigned short int XSUBI[3], struct drand48_data *BUFFER, long int *RESULT)’

     ‘stdlib.h’ (GNU): *note SVID Random::.

‘uint32_t ntohl (uint32_t NETLONG)’

     ‘netinet/in.h’ (BSD): *note Byte Order::.

‘uint16_t ntohs (uint16_t NETSHORT)’

     ‘netinet/in.h’ (BSD): *note Byte Order::.

‘int ntp_adjtime (struct timex *TPTR)’

     ‘sys/timex.h’ (GNU): *note Setting and Adjusting the Time::.

‘int ntp_gettime (struct ntptimeval *TPTR)’

     ‘sys/timex.h’ (GNU): *note Setting and Adjusting the Time::.

‘struct obstack’

     ‘obstack.h’ (GNU): *note Creating Obstacks::.

‘void obstack_1grow (struct obstack *OBSTACK-PTR, char C)’

     ‘obstack.h’ (GNU): *note Growing Objects::.

‘void obstack_1grow_fast (struct obstack *OBSTACK-PTR, char C)’

     ‘obstack.h’ (GNU): *note Extra Fast Growing::.

‘int obstack_alignment_mask (struct obstack *OBSTACK-PTR)’

     ‘obstack.h’ (GNU): *note Obstacks Data Alignment::.

‘void * obstack_alloc (struct obstack *OBSTACK-PTR, int SIZE)’

     ‘obstack.h’ (GNU): *note Allocation in an Obstack::.

‘obstack_alloc_failed_handler’

     ‘obstack.h’ (GNU): *note Preparing for Obstacks::.

‘void * obstack_base (struct obstack *OBSTACK-PTR)’

     ‘obstack.h’ (GNU): *note Status of an Obstack::.

‘void obstack_blank (struct obstack *OBSTACK-PTR, int SIZE)’

     ‘obstack.h’ (GNU): *note Growing Objects::.

‘void obstack_blank_fast (struct obstack *OBSTACK-PTR, int SIZE)’

     ‘obstack.h’ (GNU): *note Extra Fast Growing::.

‘int obstack_chunk_size (struct obstack *OBSTACK-PTR)’

     ‘obstack.h’ (GNU): *note Obstack Chunks::.

‘void * obstack_copy (struct obstack *OBSTACK-PTR, void *ADDRESS, int SIZE)’

     ‘obstack.h’ (GNU): *note Allocation in an Obstack::.

‘void * obstack_copy0 (struct obstack *OBSTACK-PTR, void *ADDRESS, int SIZE)’

     ‘obstack.h’ (GNU): *note Allocation in an Obstack::.

‘void * obstack_finish (struct obstack *OBSTACK-PTR)’

     ‘obstack.h’ (GNU): *note Growing Objects::.

‘void obstack_free (struct obstack *OBSTACK-PTR, void *OBJECT)’

     ‘obstack.h’ (GNU): *note Freeing Obstack Objects::.

‘void obstack_grow (struct obstack *OBSTACK-PTR, void *DATA, int SIZE)’

     ‘obstack.h’ (GNU): *note Growing Objects::.

‘void obstack_grow0 (struct obstack *OBSTACK-PTR, void *DATA, int SIZE)’

     ‘obstack.h’ (GNU): *note Growing Objects::.

‘int obstack_init (struct obstack *OBSTACK-PTR)’

     ‘obstack.h’ (GNU): *note Preparing for Obstacks::.

‘void obstack_int_grow (struct obstack *OBSTACK-PTR, int DATA)’

     ‘obstack.h’ (GNU): *note Growing Objects::.

‘void obstack_int_grow_fast (struct obstack *OBSTACK-PTR, int DATA)’

     ‘obstack.h’ (GNU): *note Extra Fast Growing::.

‘void * obstack_next_free (struct obstack *OBSTACK-PTR)’

     ‘obstack.h’ (GNU): *note Status of an Obstack::.

‘int obstack_object_size (struct obstack *OBSTACK-PTR)’

     ‘obstack.h’ (GNU): *note Growing Objects::.

     ‘obstack.h’ (GNU): *note Status of an Obstack::.

‘int obstack_printf (struct obstack *OBSTACK, const char *TEMPLATE, ...)’

     ‘stdio.h’ (GNU): *note Dynamic Output::.

‘void obstack_ptr_grow (struct obstack *OBSTACK-PTR, void *DATA)’

     ‘obstack.h’ (GNU): *note Growing Objects::.

‘void obstack_ptr_grow_fast (struct obstack *OBSTACK-PTR, void *DATA)’

     ‘obstack.h’ (GNU): *note Extra Fast Growing::.

‘int obstack_room (struct obstack *OBSTACK-PTR)’

     ‘obstack.h’ (GNU): *note Extra Fast Growing::.

‘int obstack_vprintf (struct obstack *OBSTACK, const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (GNU): *note Variable Arguments Output::.

‘off64_t’

     ‘sys/types.h’ (Unix98): *note File Position Primitive::.

‘off_t’

     ‘sys/types.h’ (POSIX.1): *note File Position Primitive::.

‘size_t offsetof (TYPE, MEMBER)’

     ‘stddef.h’ (ISO): *note Structure Measurement::.

‘int on_exit (void (*FUNCTION)(int STATUS, void *ARG), void *ARG)’

     ‘stdlib.h’ (SunOS): *note Cleanups on Exit::.

‘once_flag’

     ‘threads.h’ (C11): *note Call Once::.

‘int open (const char *FILENAME, int FLAGS[, mode_t MODE])’

     ‘fcntl.h’ (POSIX.1): *note Opening and Closing Files::.

‘int open64 (const char *FILENAME, int FLAGS[, mode_t MODE])’

     ‘fcntl.h’ (Unix98): *note Opening and Closing Files::.

‘struct open_how’

     ‘fcntl.h’ (Linux): *note Opening and Closing Files::.

‘FILE * open_memstream (char **PTR, size_t *SIZELOC)’

     ‘stdio.h’ (GNU): *note String Streams::.

‘int openat (int FILEDES, const char *FILENAME, int FLAGS[, mode_t MODE])’

     ‘fcntl.h’ (POSIX.1): *note Opening and Closing Files::.

‘int openat2 (int DIRFD, const char *PATHNAME, const struct open_how *HOW, size_t SIZE)’

     ‘fcntl.h’ (Linux): *note Opening and Closing Files::.

‘int openat64 (int FILEDES, const char *FILENAME, int FLAGS[, mode_t MODE])’

     ‘fcntl.h’ (GNU): *note Opening and Closing Files::.

‘DIR * opendir (const char *DIRNAME)’

     ‘dirent.h’ (POSIX.1): *note Opening a Directory::.

‘void openlog (const char *IDENT, int OPTION, int FACILITY)’

     ‘syslog.h’ (BSD): *note openlog::.

‘int openpty (int *AMASTER, int *ASLAVE, char *NAME, const struct termios *TERMP, const struct winsize *WINP)’

     ‘pty.h’ (BSD): *note Pseudo-Terminal Pairs::.

‘char * optarg’

     ‘unistd.h’ (POSIX.2): *note Using Getopt::.

‘int opterr’

     ‘unistd.h’ (POSIX.2): *note Using Getopt::.

‘int optind’

     ‘unistd.h’ (POSIX.2): *note Using Getopt::.

‘struct option’

     ‘getopt.h’ (GNU): *note Getopt Long Options::.

‘int optopt’

     ‘unistd.h’ (POSIX.2): *note Using Getopt::.

‘size_t parse_printf_format (const char *TEMPLATE, size_t N, int *ARGTYPES)’

     ‘printf.h’ (GNU): *note Parsing a Template String::.

‘struct passwd’

     ‘pwd.h’ (POSIX.1): *note User Data Structure::.

‘long int pathconf (const char *FILENAME, int PARAMETER)’

     ‘unistd.h’ (POSIX.1): *note Pathconf::.

‘int pause (void)’

     ‘unistd.h’ (POSIX.1): *note Using Pause::.

‘int pclose (FILE *STREAM)’

     ‘stdio.h’ (POSIX.2): *note Pipe to a Subprocess::.

     ‘stdio.h’ (SVID): *note Pipe to a Subprocess::.

     ‘stdio.h’ (BSD): *note Pipe to a Subprocess::.

‘void perror (const char *MESSAGE)’

     ‘stdio.h’ (ISO): *note Error Messages::.

‘pid_t’

     ‘sys/types.h’ (POSIX.1): *note Process Identification::.

‘pid_t pidfd_getpid (int FD)’

     ‘sys/pidfd.h’ (GNU): *note Querying a Process::.

‘int pipe (int FILEDES[2])’

     ‘unistd.h’ (POSIX.1): *note Creating a Pipe::.

‘int pkey_alloc (unsigned int FLAGS, unsigned int ACCESS_RESTRICTIONS)’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘int pkey_free (int KEY)’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘int pkey_get (int KEY)’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘int pkey_mprotect (void *ADDRESS, size_t LENGTH, int PROTECTION, int KEY)’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘int pkey_set (int KEY, unsigned int ACCESS_RESTRICTIONS)’

     ‘sys/mman.h’ (Linux): *note Memory Protection::.

‘FILE * popen (const char *COMMAND, const char *MODE)’

     ‘stdio.h’ (POSIX.2): *note Pipe to a Subprocess::.

     ‘stdio.h’ (SVID): *note Pipe to a Subprocess::.

     ‘stdio.h’ (BSD): *note Pipe to a Subprocess::.

‘int posix_memalign (void **MEMPTR, size_t ALIGNMENT, size_t SIZE)’

     ‘stdlib.h’ (POSIX): *note Aligned Memory Blocks::.

‘int posix_openpt (int FLAGS)’

     ‘stdlib.h’ (POSIX.1): *note Allocation::.

‘double pow (double BASE, double POWER)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float powf (float BASE, float POWER)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN powfN (_FloatN BASE, _FloatN POWER)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx powfNx (_FloatNx BASE, _FloatNx POWER)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double powl (long double BASE, long double POWER)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘double pown (double BASE, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float pownf (float BASE, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN pownfN (_FloatN BASE, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx pownfNx (_FloatNx BASE, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double pownl (long double BASE, long long int POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘double powr (double BASE, double POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float powrf (float BASE, float POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN powrfN (_FloatN BASE, _FloatN POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx powrfNx (_FloatNx BASE, _FloatNx POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double powrl (long double BASE, long double POWER)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘ssize_t pread (int FILEDES, void *BUFFER, size_t SIZE, off_t OFFSET)’

     ‘unistd.h’ (Unix98): *note I/O Primitives::.

‘ssize_t pread64 (int FILEDES, void *BUFFER, size_t SIZE, off64_t OFFSET)’

     ‘unistd.h’ (Unix98): *note I/O Primitives::.

‘ssize_t preadv (int FD, const struct iovec *IOV, int IOVCNT, off_t OFFSET)’

     ‘sys/uio.h’ (BSD): *note Scatter-Gather::.

‘ssize_t preadv2 (int FD, const struct iovec *IOV, int IOVCNT, off_t OFFSET, int FLAGS)’

     ‘sys/uio.h’ (GNU): *note Scatter-Gather::.

‘ssize_t preadv64 (int FD, const struct iovec *IOV, int IOVCNT, off64_t OFFSET)’

     ‘unistd.h’ (BSD): *note Scatter-Gather::.

‘ssize_t preadv64v2 (int FD, const struct iovec *IOV, int IOVCNT, off64_t OFFSET, int FLAGS)’

     ‘unistd.h’ (GNU): *note Scatter-Gather::.

‘int printf (const char *TEMPLATE, ...)’

     ‘stdio.h’ (ISO): *note Formatted Output Functions::.

‘printf_arginfo_function’

     ‘printf.h’ (GNU): *note Defining the Output Handler::.

‘printf_function’

     ‘printf.h’ (GNU): *note Defining the Output Handler::.

‘struct printf_info’

     ‘printf.h’ (GNU): *note Conversion Specifier Options::.

‘int printf_size (FILE *FP, const struct printf_info *INFO, const void *const *ARGS)’

     ‘printf.h’ (GNU): *note Predefined Printf Handlers::.

‘int printf_size_info (const struct printf_info *INFO, size_t N, int *ARGTYPES)’

     ‘printf.h’ (GNU): *note Predefined Printf Handlers::.

‘char * program_invocation_name’

     ‘errno.h’ (GNU): *note Error Messages::.

‘char * program_invocation_short_name’

     ‘errno.h’ (GNU): *note Error Messages::.

‘struct protoent’

     ‘netdb.h’ (BSD): *note Protocols Database::.

‘void psignal (int SIGNUM, const char *MESSAGE)’

     ‘signal.h’ (BSD): *note Signal Messages::.

‘int pthread_attr_getsigmask_np (const pthread_attr_t *ATTR, sigset_t *SIGMASK)’

     ‘pthread.h’ (GNU): *note Initial Thread Signal Mask::.

‘int pthread_attr_setsigmask_np (pthread_attr_t *ATTR, const sigset_t *SIGMASK)’

     ‘pthread.h’ (GNU): *note Initial Thread Signal Mask::.

‘int pthread_barrier_destroy (pthread_barrier_t *BARRIER)’

     ‘pthread.h’ (POSIX): *note POSIX Barriers::.

‘int pthread_barrier_init (pthread_barrier_t *BARRIER, const pthread_barrierattr_t *ATTR, unsigned int COUNT)’

     ‘pthread.h’ (POSIX): *note POSIX Barriers::.

‘int pthread_barrier_wait (pthread_barrier_t *BARRIER)’

     ‘pthread.h’ (POSIX): *note POSIX Barriers::.

‘int pthread_clockjoin_np (pthread_t *THREAD, void **THREAD_RETURN, clockid_t CLOCKID, const struct timespec *ABSTIME)’

     ‘pthread.h’ (GNU): *note Joining Threads::.

‘int pthread_cond_clockwait (pthread_cond_t *COND, pthread_mutex_t *MUTEX, clockid_t CLOCKID, const struct timespec *ABSTIME)’

     ‘pthread.h’ (POSIX-1.2024): *note Waiting with Explicit Clocks::.

‘int pthread_getattr_default_np (pthread_attr_t *ATTR)’

     ‘pthread.h’ (GNU): *note Default Thread Attributes::.

‘void * pthread_getspecific (pthread_key_t KEY)’

     ‘pthread.h’ (POSIX): *note Thread-specific Data::.

‘pid_t pthread_gettid_np (pthread_t THREAD)’

     ‘pthread.h’ (Linux): *note Process Identification::.

‘int pthread_key_create (pthread_key_t *KEY, void (*DESTRUCTOR)(void*))’

     ‘pthread.h’ (POSIX): *note Thread-specific Data::.

‘int pthread_key_delete (pthread_key_t KEY)’

     ‘pthread.h’ (POSIX): *note Thread-specific Data::.

‘int pthread_rwlock_clockrdlock (pthread_rwlock_t *RWLOCK, clockid_t CLOCKID, const struct timespec *ABSTIME)’

     ‘pthread.h’ (POSIX-1.2024): *note Waiting with Explicit Clocks::.

‘int pthread_rwlock_clockwrlock (pthread_rwlock_t *RWLOCK, clockid_t CLOCKID, const struct timespec *ABSTIME)’

     ‘pthread.h’ (POSIX-1.2024): *note Waiting with Explicit Clocks::.

‘int pthread_setattr_default_np (pthread_attr_t *ATTR)’

     ‘pthread.h’ (GNU): *note Default Thread Attributes::.

‘int pthread_setspecific (pthread_key_t KEY, const void *VALUE)’

     ‘pthread.h’ (POSIX): *note Thread-specific Data::.

‘int pthread_timedjoin_np (pthread_t *THREAD, void **THREAD_RETURN, const struct timespec *ABSTIME)’

     ‘pthread.h’ (GNU): *note Joining Threads::.

‘int pthread_tryjoin_np (pthread_t *THREAD, void **THREAD_RETURN)’

     ‘pthread.h’ (GNU): *note Joining Threads::.

‘ptrdiff_t’

     ‘stddef.h’ (ISO): *note Important Data Types::.

‘char * ptsname (int FILEDES)’

     ‘stdlib.h’ (SVID): *note Allocation::.

     ‘stdlib.h’ (XPG4.2): *note Allocation::.

‘int ptsname_r (int FILEDES, char *BUF, size_t LEN)’

     ‘stdlib.h’ (POSIX.1-2024): *note Allocation::.

‘int putc (int C, FILE *STREAM)’

     ‘stdio.h’ (ISO): *note Simple Output::.

‘int putc_unlocked (int C, FILE *STREAM)’

     ‘stdio.h’ (POSIX): *note Simple Output::.

‘int putchar (int C)’

     ‘stdio.h’ (ISO): *note Simple Output::.

‘int putchar_unlocked (int C)’

     ‘stdio.h’ (POSIX): *note Simple Output::.

‘int putenv (char *STRING)’

     ‘stdlib.h’ (SVID): *note Environment Access::.

‘int putpwent (const struct passwd *P, FILE *STREAM)’

     ‘pwd.h’ (SVID): *note Writing a User Entry::.

‘int puts (const char *S)’

     ‘stdio.h’ (ISO): *note Simple Output::.

‘struct utmp * pututline (const struct utmp *UTMP)’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘struct utmpx * pututxline (const struct utmpx *UTMP)’

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘int putw (int W, FILE *STREAM)’

     ‘stdio.h’ (SVID): *note Simple Output::.

‘wint_t putwc (wchar_t WC, FILE *STREAM)’

     ‘wchar.h’ (ISO): *note Simple Output::.

‘wint_t putwc_unlocked (wchar_t WC, FILE *STREAM)’

     ‘wchar.h’ (GNU): *note Simple Output::.

‘wint_t putwchar (wchar_t WC)’

     ‘wchar.h’ (ISO): *note Simple Output::.

‘wint_t putwchar_unlocked (wchar_t WC)’

     ‘wchar.h’ (GNU): *note Simple Output::.

‘ssize_t pwrite (int FILEDES, const void *BUFFER, size_t SIZE, off_t OFFSET)’

     ‘unistd.h’ (Unix98): *note I/O Primitives::.

‘ssize_t pwrite64 (int FILEDES, const void *BUFFER, size_t SIZE, off64_t OFFSET)’

     ‘unistd.h’ (Unix98): *note I/O Primitives::.

‘ssize_t pwritev (int FD, const struct iovec *IOV, int IOVCNT, off_t OFFSET)’

     ‘sys/uio.h’ (BSD): *note Scatter-Gather::.

‘ssize_t pwritev2 (int FD, const struct iovec *IOV, int IOVCNT, off_t OFFSET, int FLAGS)’

     ‘sys/uio.h’ (GNU): *note Scatter-Gather::.

‘ssize_t pwritev64 (int FD, const struct iovec *IOV, int IOVCNT, off64_t OFFSET)’

     ‘unistd.h’ (BSD): *note Scatter-Gather::.

‘ssize_t pwritev64v2 (int FD, const struct iovec *IOV, int IOVCNT, off64_t OFFSET, int FLAGS)’

     ‘unistd.h’ (GNU): *note Scatter-Gather::.

‘char * qecvt (long double VALUE, int NDIGIT, int *DECPT, int *NEG)’

     ‘stdlib.h’ (GNU): *note System V Number Conversion::.

‘int qecvt_r (long double VALUE, int NDIGIT, int *DECPT, int *NEG, char *BUF, size_t LEN)’

     ‘stdlib.h’ (GNU): *note System V Number Conversion::.

‘char * qfcvt (long double VALUE, int NDIGIT, int *DECPT, int *NEG)’

     ‘stdlib.h’ (GNU): *note System V Number Conversion::.

‘int qfcvt_r (long double VALUE, int NDIGIT, int *DECPT, int *NEG, char *BUF, size_t LEN)’

     ‘stdlib.h’ (GNU): *note System V Number Conversion::.

‘char * qgcvt (long double VALUE, int NDIGIT, char *BUF)’

     ‘stdlib.h’ (GNU): *note System V Number Conversion::.

‘void qsort (void *ARRAY, size_t COUNT, size_t SIZE, comparison_fn_t COMPARE)’

     ‘stdlib.h’ (ISO): *note Array Sort Function::.

‘int raise (int SIGNUM)’

     ‘signal.h’ (ISO): *note Signaling Yourself::.

‘int rand (void)’

     ‘stdlib.h’ (ISO): *note ISO Random::.

‘int rand_r (unsigned int *SEED)’

     ‘stdlib.h’ (POSIX.1): *note ISO Random::.

‘long int random (void)’

     ‘stdlib.h’ (BSD): *note BSD Random::.

‘struct random_data’

     ‘stdlib.h’ (GNU): *note BSD Random::.

‘int random_r (struct random_data *restrict BUF, int32_t *restrict RESULT)’

     ‘stdlib.h’ (GNU): *note BSD Random::.

‘void * rawmemchr (const void *BLOCK, int C)’

     ‘string.h’ (GNU): *note Search Functions::.

‘ssize_t read (int FILEDES, void *BUFFER, size_t SIZE)’

     ‘unistd.h’ (POSIX.1): *note I/O Primitives::.

‘struct dirent * readdir (DIR *DIRSTREAM)’

     ‘dirent.h’ (POSIX.1): *note Reading/Closing Directory::.

‘struct dirent64 * readdir64 (DIR *DIRSTREAM)’

     ‘dirent.h’ (LFS): *note Reading/Closing Directory::.

‘int readdir64_r (DIR *DIRSTREAM, struct dirent64 *ENTRY, struct dirent64 **RESULT)’

     ‘dirent.h’ (LFS): *note Reading/Closing Directory::.

‘int readdir_r (DIR *DIRSTREAM, struct dirent *ENTRY, struct dirent **RESULT)’

     ‘dirent.h’ (GNU): *note Reading/Closing Directory::.

‘ssize_t readlink (const char *FILENAME, char *BUFFER, size_t SIZE)’

     ‘unistd.h’ (BSD): *note Symbolic Links::.

‘ssize_t readv (int FILEDES, const struct iovec *VECTOR, int COUNT)’

     ‘sys/uio.h’ (BSD): *note Scatter-Gather::.

‘void * realloc (void *PTR, size_t NEWSIZE)’

     ‘malloc.h’ (ISO): *note Changing Block Size::.

     ‘stdlib.h’ (ISO): *note Changing Block Size::.

‘void * reallocarray (void *PTR, size_t NMEMB, size_t SIZE)’

     ‘malloc.h’ (POSIX.1-2024): *note Changing Block Size::.

     ‘stdlib.h’ (POSIX.1-2024): *note Changing Block Size::.

‘char * realpath (const char *restrict NAME, char *restrict RESOLVED)’

     ‘stdlib.h’ (XPG): *note Symbolic Links::.

‘ssize_t recv (int SOCKET, void *BUFFER, size_t SIZE, int FLAGS)’

     ‘sys/socket.h’ (BSD): *note Receiving Data::.

‘ssize_t recvfrom (int SOCKET, void *BUFFER, size_t SIZE, int FLAGS, struct sockaddr *ADDR, socklen_t *LENGTH-PTR)’

     ‘sys/socket.h’ (BSD): *note Receiving Datagrams::.

‘int regcomp (regex_t *restrict COMPILED, const char *restrict PATTERN, int CFLAGS)’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘size_t regerror (int ERRCODE, const regex_t *restrict COMPILED, char *restrict BUFFER, size_t LENGTH)’

     ‘regex.h’ (POSIX.2): *note Regexp Cleanup::.

‘regex_t’

     ‘regex.h’ (POSIX.2): *note POSIX Regexp Compilation::.

‘int regexec (const regex_t *restrict COMPILED, const char *restrict STRING, size_t NMATCH, regmatch_t MATCHPTR[restrict], int EFLAGS)’

     ‘regex.h’ (POSIX.2): *note Matching POSIX Regexps::.

‘void regfree (regex_t *COMPILED)’

     ‘regex.h’ (POSIX.2): *note Regexp Cleanup::.

‘int register_printf_function (int SPEC, printf_function HANDLER-FUNCTION, printf_arginfo_function ARGINFO-FUNCTION)’

     ‘printf.h’ (GNU): *note Registering New Conversions::.

‘regmatch_t’

     ‘regex.h’ (POSIX.2): *note Regexp Subexpressions::.

‘regoff_t’

     ‘regex.h’ (POSIX.2): *note Regexp Subexpressions::.

‘double remainder (double NUMERATOR, double DENOMINATOR)’

     ‘math.h’ (ISO): *note Remainder Functions::.

‘float remainderf (float NUMERATOR, float DENOMINATOR)’

     ‘math.h’ (ISO): *note Remainder Functions::.

‘_FloatN remainderfN (_FloatN NUMERATOR, _FloatN DENOMINATOR)’

     ‘math.h’ (TS 18661-3:2015): *note Remainder Functions::.

‘_FloatNx remainderfNx (_FloatNx NUMERATOR, _FloatNx DENOMINATOR)’

     ‘math.h’ (TS 18661-3:2015): *note Remainder Functions::.

‘long double remainderl (long double NUMERATOR, long double DENOMINATOR)’

     ‘math.h’ (ISO): *note Remainder Functions::.

‘int remove (const char *FILENAME)’

     ‘stdio.h’ (ISO): *note Deleting Files::.

‘int rename (const char *OLDNAME, const char *NEWNAME)’

     ‘stdio.h’ (ISO): *note Renaming Files::.

‘int renameat (int OLDFILEDES, const char *OLDNAME, int NEWFILEDES, const char *NEWNAME)’

     ‘stdio.h’ (POSIX.1-2008): *note Renaming Files::.

‘void rewind (FILE *STREAM)’

     ‘stdio.h’ (ISO): *note File Positioning::.

‘void rewinddir (DIR *DIRSTREAM)’

     ‘dirent.h’ (POSIX.1): *note Random Access Directory::.

‘char * rindex (const char *STRING, int C)’

     ‘string.h’ (BSD): *note Search Functions::.

‘double rint (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float rintf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN rintfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx rintfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double rintl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘struct rlimit’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘struct rlimit64’

     ‘sys/resource.h’ (Unix98): *note Limits on Resources::.

‘int rmdir (const char *FILENAME)’

     ‘unistd.h’ (POSIX.1): *note Deleting Files::.

‘double rootn (double X, long long int N)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float rootnf (float X, long long int N)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN rootnfN (_FloatN X, long long int N)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx rootnfNx (_FloatNx X, long long int N)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double rootnl (long double X, long long int N)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘double round (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘double roundeven (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float roundevenf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN roundevenfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx roundevenfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double roundevenl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float roundf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN roundfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx roundfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double roundl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘int rpmatch (const char *RESPONSE)’

     ‘stdlib.h’ (GNU): *note Yes-or-No Questions::.

‘struct rseq’

     ‘sys/rseq.h’ (Linux): *note Restartable Sequences::.

‘double rsqrt (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘float rsqrtf (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatN rsqrtfN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘_FloatNx rsqrtfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘long double rsqrtl (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Exponents and Logarithms::.

‘struct rusage’

     ‘sys/resource.h’ (BSD): *note Resource Usage::.

‘void * sbrk (ptrdiff_t DELTA)’

     ‘unistd.h’ (BSD): *note Resizing the Data Segment::.

‘double scalb (double VALUE, double EXPONENT)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘float scalbf (float VALUE, float EXPONENT)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘long double scalbl (long double VALUE, long double EXPONENT)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘double scalbln (double X, long int N)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘float scalblnf (float X, long int N)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘_FloatN scalblnfN (_FloatN X, long int N)’

     ‘math.h’ (TS 18661-3:2015): *note Normalization Functions::.

‘_FloatNx scalblnfNx (_FloatNx X, long int N)’

     ‘math.h’ (TS 18661-3:2015): *note Normalization Functions::.

‘long double scalblnl (long double X, long int N)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘double scalbn (double X, int N)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘float scalbnf (float X, int N)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘_FloatN scalbnfN (_FloatN X, int N)’

     ‘math.h’ (TS 18661-3:2015): *note Normalization Functions::.

‘_FloatNx scalbnfNx (_FloatNx X, int N)’

     ‘math.h’ (TS 18661-3:2015): *note Normalization Functions::.

‘long double scalbnl (long double X, int N)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘int scandir (const char *DIR, struct dirent ***NAMELIST, int (*SELECTOR) (const struct dirent *), int (*CMP) (const struct dirent **, const struct dirent **))’

     ‘dirent.h’ (BSD): *note Scanning Directory Content::.

     ‘dirent.h’ (SVID): *note Scanning Directory Content::.

‘int scandir64 (const char *DIR, struct dirent64 ***NAMELIST, int (*SELECTOR) (const struct dirent64 *), int (*CMP) (const struct dirent64 **, const struct dirent64 **))’

     ‘dirent.h’ (GNU): *note Scanning Directory Content::.

‘int scanf (const char *TEMPLATE, ...)’

     ‘stdio.h’ (ISO): *note Formatted Input Functions::.

‘struct sched_attr’

     ‘sched.h’ (Linux): *note Extensible Scheduling::.

‘int sched_get_priority_max (int POLICY)’

     ‘sched.h’ (POSIX): *note Basic Scheduling Functions::.

‘int sched_get_priority_min (int POLICY)’

     ‘sched.h’ (POSIX): *note Basic Scheduling Functions::.

‘int sched_getaffinity (pid_t PID, size_t CPUSETSIZE, cpu_set_t *CPUSET)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘int sched_getattr (pid_t TID, struct sched_attr *ATTR, unsigned int size, unsigned int flags)’

     ‘sched.h’ (Linux): *note Extensible Scheduling::.

‘int sched_getcpu (void)’

     ‘<sched.h>’ (Linux): *note CPU Affinity::.

‘int sched_getparam (pid_t PID, struct sched_param *PARAM)’

     ‘sched.h’ (POSIX): *note Basic Scheduling Functions::.

‘int sched_getscheduler (pid_t PID)’

     ‘sched.h’ (POSIX): *note Basic Scheduling Functions::.

‘struct sched_param’

     ‘sched.h’ (POSIX): *note Basic Scheduling Functions::.

‘int sched_rr_get_interval (pid_t PID, struct timespec *INTERVAL)’

     ‘sched.h’ (POSIX): *note Basic Scheduling Functions::.

‘int sched_setaffinity (pid_t PID, size_t CPUSETSIZE, const cpu_set_t *CPUSET)’

     ‘sched.h’ (GNU): *note CPU Affinity::.

‘int sched_setattr (pid_t TID, struct sched_attr *ATTR, unsigned int flags)’

     ‘sched.h’ (Linux): *note Extensible Scheduling::.

‘int sched_setparam (pid_t PID, const struct sched_param *PARAM)’

     ‘sched.h’ (POSIX): *note Basic Scheduling Functions::.

‘int sched_setscheduler (pid_t PID, int POLICY, const struct sched_param *PARAM)’

     ‘sched.h’ (POSIX): *note Basic Scheduling Functions::.

‘int sched_yield (void)’

     ‘sched.h’ (POSIX): *note Basic Scheduling Functions::.

‘char * secure_getenv (const char *NAME)’

     ‘stdlib.h’ (POSIX.1-2024): *note Environment Access::.

‘unsigned short int * seed48 (unsigned short int SEED16V[3])’

     ‘stdlib.h’ (SVID): *note SVID Random::.

‘int seed48_r (unsigned short int SEED16V[3], struct drand48_data *BUFFER)’

     ‘stdlib.h’ (GNU): *note SVID Random::.

‘void seekdir (DIR *DIRSTREAM, long int POS)’

     ‘dirent.h’ (BSD): *note Random Access Directory::.

‘int select (int NFDS, fd_set *READ-FDS, fd_set *WRITE-FDS, fd_set *EXCEPT-FDS, struct timeval *TIMEOUT)’

     ‘sys/select.h’ (POSIX.1): *note Waiting for I/O::.

‘int sem_clockwait (sem_t *SEM, clockid_t CLOCKID, const struct timespec *ABSTIME)’

     ‘semaphore.h’ (POSIX.1-2024): *note POSIX Semaphores::.

‘int sem_close (sem_t *SEM)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘int sem_destroy (sem_t *SEM)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘int sem_getvalue (sem_t *SEM, int *SVAL)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘int sem_init (sem_t *SEM, int PSHARED, unsigned int VALUE)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘sem_t * sem_open (const char *NAME, int OFLAG, ...)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘int sem_post (sem_t *SEM)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘int sem_timedwait (sem_t *SEM, const struct timespec *ABSTIME)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘int sem_trywait (sem_t *SEM)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘int sem_unlink (const char *NAME)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘int sem_wait (sem_t *SEM)’

     ‘semaphore.h’ (POSIX.1-2008): *note POSIX Semaphores::.

‘ssize_t send (int SOCKET, const void *BUFFER, size_t SIZE, int FLAGS)’

     ‘sys/socket.h’ (BSD): *note Sending Data::.

‘ssize_t sendto (int SOCKET, const void *BUFFER, size_t SIZE, int FLAGS, struct sockaddr *ADDR, socklen_t LENGTH)’

     ‘sys/socket.h’ (BSD): *note Sending Datagrams::.

‘struct servent’

     ‘netdb.h’ (BSD): *note Services Database::.

‘void setbuf (FILE *STREAM, char *BUF)’

     ‘stdio.h’ (ISO): *note Controlling Buffering::.

‘void setbuffer (FILE *STREAM, char *BUF, size_t SIZE)’

     ‘stdio.h’ (BSD): *note Controlling Buffering::.

‘int setcontext (const ucontext_t *UCP)’

     ‘ucontext.h’ (SVID): *note System V contexts::.

‘int setdomainname (const char *NAME, size_t LENGTH)’

     ‘unistd.h’ (???): *note Host Identification::.

‘int setegid (gid_t NEWGID)’

     ‘unistd.h’ (POSIX.1): *note Setting Groups::.

‘int setenv (const char *NAME, const char *VALUE, int REPLACE)’

     ‘stdlib.h’ (BSD): *note Environment Access::.

‘int seteuid (uid_t NEWEUID)’

     ‘unistd.h’ (POSIX.1): *note Setting User ID::.

‘int setfsent (void)’

     ‘fstab.h’ (BSD): *note fstab::.

‘int setgid (gid_t NEWGID)’

     ‘unistd.h’ (POSIX.1): *note Setting Groups::.

‘void setgrent (void)’

     ‘grp.h’ (SVID): *note Scanning All Groups::.

     ‘grp.h’ (BSD): *note Scanning All Groups::.

‘int setgroups (size_t COUNT, const gid_t *GROUPS)’

     ‘grp.h’ (BSD): *note Setting Groups::.

‘void sethostent (int STAYOPEN)’

     ‘netdb.h’ (BSD): *note Host Names::.

‘int sethostid (long int ID)’

     ‘unistd.h’ (BSD): *note Host Identification::.

‘int sethostname (const char *NAME, size_t LENGTH)’

     ‘unistd.h’ (BSD): *note Host Identification::.

‘int setitimer (int WHICH, const struct itimerval *NEW, struct itimerval *OLD)’

     ‘sys/time.h’ (BSD): *note Setting an Alarm::.

‘int setjmp (jmp_buf STATE)’

     ‘setjmp.h’ (ISO): *note Non-Local Details::.

‘void setlinebuf (FILE *STREAM)’

     ‘stdio.h’ (BSD): *note Controlling Buffering::.

‘char * setlocale (int CATEGORY, const char *LOCALE)’

     ‘locale.h’ (ISO): *note Setting the Locale::.

‘int setlogmask (int MASK)’

     ‘syslog.h’ (BSD): *note setlogmask::.

‘FILE * setmntent (const char *FILE, const char *MODE)’

     ‘mntent.h’ (BSD): *note mtab::.

‘void setnetent (int STAYOPEN)’

     ‘netdb.h’ (BSD): *note Networks Database::.

‘int setnetgrent (const char *NETGROUP)’

     ‘netdb.h’ (BSD): *note Lookup Netgroup::.

‘int setpayload (double *X, double PAYLOAD)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int setpayloadf (float *X, float PAYLOAD)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int setpayloadfN (_FloatN *X, _FloatN PAYLOAD)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘int setpayloadfNx (_FloatNx *X, _FloatNx PAYLOAD)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘int setpayloadl (long double *X, long double PAYLOAD)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int setpayloadsig (double *X, double PAYLOAD)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int setpayloadsigf (float *X, float PAYLOAD)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int setpayloadsigfN (_FloatN *X, _FloatN PAYLOAD)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘int setpayloadsigfNx (_FloatNx *X, _FloatNx PAYLOAD)’

     ‘math.h’ (TS 18661-3:2015): *note FP Bit Twiddling::.

‘int setpayloadsigl (long double *X, long double PAYLOAD)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘int setpgid (pid_t PID, pid_t PGID)’

     ‘unistd.h’ (POSIX.1): *note Process Group Functions::.

‘int setpgrp (pid_t PID, pid_t PGID)’

     ‘unistd.h’ (BSD): *note Process Group Functions::.

‘int setpriority (int CLASS, int ID, int NICEVAL)’

     ‘sys/resource.h’ (BSD): *note Traditional Scheduling Functions::.

     ‘sys/resource.h’ (POSIX): *note Traditional Scheduling Functions::.

‘void setprotoent (int STAYOPEN)’

     ‘netdb.h’ (BSD): *note Protocols Database::.

‘void setpwent (void)’

     ‘pwd.h’ (SVID): *note Scanning All Users::.

     ‘pwd.h’ (BSD): *note Scanning All Users::.

‘int setregid (gid_t RGID, gid_t EGID)’

     ‘unistd.h’ (BSD): *note Setting Groups::.

‘int setreuid (uid_t RUID, uid_t EUID)’

     ‘unistd.h’ (BSD): *note Setting User ID::.

‘int setrlimit (int RESOURCE, const struct rlimit *RLP)’

     ‘sys/resource.h’ (BSD): *note Limits on Resources::.

‘int setrlimit64 (int RESOURCE, const struct rlimit64 *RLP)’

     ‘sys/resource.h’ (Unix98): *note Limits on Resources::.

‘void setservent (int STAYOPEN)’

     ‘netdb.h’ (BSD): *note Services Database::.

‘pid_t setsid (void)’

     ‘unistd.h’ (POSIX.1): *note Process Group Functions::.

‘int setsockopt (int SOCKET, int LEVEL, int OPTNAME, const void *OPTVAL, socklen_t OPTLEN)’

     ‘sys/socket.h’ (BSD): *note Socket Option Functions::.

‘char * setstate (char *STATE)’

     ‘stdlib.h’ (BSD): *note BSD Random::.

‘int setstate_r (char *restrict STATEBUF, struct random_data *restrict BUF)’

     ‘stdlib.h’ (GNU): *note BSD Random::.

‘int settimeofday (const struct timeval *TP, const void *TZP)’

     ‘sys/time.h’ (BSD): *note Setting and Adjusting the Time::.

‘int setuid (uid_t NEWUID)’

     ‘unistd.h’ (POSIX.1): *note Setting User ID::.

‘void setutent (void)’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘void setutxent (void)’

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘int setvbuf (FILE *STREAM, char *BUF, int MODE, size_t SIZE)’

     ‘stdio.h’ (ISO): *note Controlling Buffering::.

‘struct sgttyb’

     ‘termios.h’ (BSD): *note BSD Terminal Modes::.

‘int shm_open (const char *NAME, int OFLAG, mode_t MODE)’

     ‘sys/mman.h’ (POSIX): *note Memory-mapped I/O::.

‘int shutdown (int SOCKET, int HOW)’

     ‘sys/socket.h’ (BSD): *note Closing a Socket::.

‘sig_atomic_t’

     ‘signal.h’ (ISO): *note Atomic Types::.

‘const char * sigabbrev_np (int SIGNUM)’

     ‘string.h’ (GNU): *note Signal Messages::.

‘int sigaction (int SIGNUM, const struct sigaction *restrict ACTION, struct sigaction *restrict OLD-ACTION)’

     ‘signal.h’ (POSIX.1): *note Advanced Signal Handling::.

‘struct sigaction’

     ‘signal.h’ (POSIX.1): *note Advanced Signal Handling::.

‘int sigaddset (sigset_t *SET, int SIGNUM)’

     ‘signal.h’ (POSIX.1): *note Signal Sets::.

‘int sigaltstack (const stack_t *restrict STACK, stack_t *restrict OLDSTACK)’

     ‘signal.h’ (XPG): *note Signal Stack::.

‘int sigblock (int MASK)’

     ‘signal.h’ (BSD): *note BSD Signal Handling::.

‘int sigdelset (sigset_t *SET, int SIGNUM)’

     ‘signal.h’ (POSIX.1): *note Signal Sets::.

‘const char * sigdescr_np (int SIGNUM)’

     ‘string.h’ (GNU): *note Signal Messages::.

‘int sigemptyset (sigset_t *SET)’

     ‘signal.h’ (POSIX.1): *note Signal Sets::.

‘int sigfillset (sigset_t *SET)’

     ‘signal.h’ (POSIX.1): *note Signal Sets::.

‘sighandler_t’

     ‘signal.h’ (GNU): *note Basic Signal Handling::.

‘int siginterrupt (int SIGNUM, int FAILFLAG)’

     ‘signal.h’ (XPG): *note BSD Signal Handling::.

‘int sigismember (const sigset_t *SET, int SIGNUM)’

     ‘signal.h’ (POSIX.1): *note Signal Sets::.

‘sigjmp_buf’

     ‘setjmp.h’ (POSIX.1): *note Non-Local Exits and Signals::.

‘void siglongjmp (sigjmp_buf STATE, int VALUE)’

     ‘setjmp.h’ (POSIX.1): *note Non-Local Exits and Signals::.

‘int sigmask (int SIGNUM)’

     ‘signal.h’ (BSD): *note BSD Signal Handling::.

‘sighandler_t signal (int SIGNUM, sighandler_t ACTION)’

     ‘signal.h’ (ISO): *note Basic Signal Handling::.

‘int signbit (_float-type_ X)’

     ‘math.h’ (ISO): *note FP Bit Twiddling::.

‘double significand (double X)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘float significandf (float X)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘long double significandl (long double X)’

     ‘math.h’ (BSD): *note Normalization Functions::.

‘int sigpause (int MASK)’

     ‘signal.h’ (BSD): *note BSD Signal Handling::.

‘int sigpending (sigset_t *SET)’

     ‘signal.h’ (POSIX.1): *note Checking for Pending Signals::.

‘int sigprocmask (int HOW, const sigset_t *restrict SET, sigset_t *restrict OLDSET)’

     ‘signal.h’ (POSIX.1): *note Process Signal Mask::.

‘sigset_t’

     ‘signal.h’ (POSIX.1): *note Signal Sets::.

‘int sigsetjmp (sigjmp_buf STATE, int SAVESIGS)’

     ‘setjmp.h’ (POSIX.1): *note Non-Local Exits and Signals::.

‘int sigsetmask (int MASK)’

     ‘signal.h’ (BSD): *note BSD Signal Handling::.

‘int sigstack (struct sigstack *STACK, struct sigstack *OLDSTACK)’

     ‘signal.h’ (BSD): *note Signal Stack::.

‘struct sigstack’

     ‘signal.h’ (BSD): *note Signal Stack::.

‘int sigsuspend (const sigset_t *SET)’

     ‘signal.h’ (POSIX.1): *note Sigsuspend::.

‘double sin (double X)’

     ‘math.h’ (ISO): *note Trig Functions::.

‘void sincos (double X, double *SINX, double *COSX)’

     ‘math.h’ (GNU): *note Trig Functions::.

‘void sincosf (float X, float *SINX, float *COSX)’

     ‘math.h’ (GNU): *note Trig Functions::.

‘_FloatN sincosfN (_FloatN X, _FloatN *SINX, _FloatN *COSX)’

     ‘math.h’ (GNU): *note Trig Functions::.

‘_FloatNx sincosfNx (_FloatNx X, _FloatNx *SINX, _FloatNx *COSX)’

     ‘math.h’ (GNU): *note Trig Functions::.

‘void sincosl (long double X, long double *SINX, long double *COSX)’

     ‘math.h’ (GNU): *note Trig Functions::.

‘float sinf (float X)’

     ‘math.h’ (ISO): *note Trig Functions::.

‘_FloatN sinfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Trig Functions::.

‘_FloatNx sinfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Trig Functions::.

‘double sinh (double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘float sinhf (float X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘_FloatN sinhfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘_FloatNx sinhfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘long double sinhl (long double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘long double sinl (long double X)’

     ‘math.h’ (ISO): *note Trig Functions::.

‘double sinpi (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘float sinpif (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘_FloatN sinpifN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘_FloatNx sinpifNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘long double sinpil (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘size_t’

     ‘stddef.h’ (ISO): *note Important Data Types::.

‘unsigned int sleep (unsigned int SECONDS)’

     ‘unistd.h’ (POSIX.1): *note Sleeping::.

‘int snprintf (char *S, size_t SIZE, const char *TEMPLATE, ...)’

     ‘stdio.h’ (GNU): *note Formatted Output Functions::.

‘struct sockaddr’

     ‘sys/socket.h’ (BSD): *note Address Formats::.

‘struct sockaddr_in’

     ‘netinet/in.h’ (BSD): *note Internet Address Formats::.

‘struct sockaddr_un’

     ‘sys/un.h’ (BSD): *note Local Namespace Details::.

‘int socket (int NAMESPACE, int STYLE, int PROTOCOL)’

     ‘sys/socket.h’ (BSD): *note Creating a Socket::.

‘int socketpair (int NAMESPACE, int STYLE, int PROTOCOL, int FILEDES[2])’

     ‘sys/socket.h’ (BSD): *note Socket Pairs::.

‘speed_t’

     ‘termios.h’ (POSIX.1): *note Line Speed::.

‘int sprintf (char *S, const char *TEMPLATE, ...)’

     ‘stdio.h’ (ISO): *note Formatted Output Functions::.

‘double sqrt (double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘float sqrtf (float X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘_FloatN sqrtfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘_FloatNx sqrtfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Exponents and Logarithms::.

‘long double sqrtl (long double X)’

     ‘math.h’ (ISO): *note Exponents and Logarithms::.

‘void srand (unsigned int SEED)’

     ‘stdlib.h’ (ISO): *note ISO Random::.

‘void srand48 (long int SEEDVAL)’

     ‘stdlib.h’ (SVID): *note SVID Random::.

‘int srand48_r (long int SEEDVAL, struct drand48_data *BUFFER)’

     ‘stdlib.h’ (GNU): *note SVID Random::.

‘void srandom (unsigned int SEED)’

     ‘stdlib.h’ (BSD): *note BSD Random::.

‘int srandom_r (unsigned int SEED, struct random_data *BUF)’

     ‘stdlib.h’ (GNU): *note BSD Random::.

‘int sscanf (const char *S, const char *TEMPLATE, ...)’

     ‘stdio.h’ (ISO): *note Formatted Input Functions::.

‘sighandler_t ssignal (int SIGNUM, sighandler_t ACTION)’

     ‘signal.h’ (SVID): *note Basic Signal Handling::.

‘ssize_t’

     ‘unistd.h’ (POSIX.1): *note I/O Primitives::.

‘stack_t’

     ‘signal.h’ (XPG): *note Signal Stack::.

‘int stat (const char *FILENAME, struct stat *BUF)’

     ‘sys/stat.h’ (POSIX.1): *note Reading Attributes::.

‘struct stat’

     ‘sys/stat.h’ (POSIX.1): *note Attribute Meanings::.

‘int stat64 (const char *FILENAME, struct stat64 *BUF)’

     ‘sys/stat.h’ (Unix98): *note Reading Attributes::.

‘struct stat64’

     ‘sys/stat.h’ (LFS): *note Attribute Meanings::.

‘unsigned char stdc_bit_ceil_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_bit_ceil_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned long int stdc_bit_ceil_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned long long int stdc_bit_ceil_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned short stdc_bit_ceil_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned char stdc_bit_floor_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_bit_floor_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned long int stdc_bit_floor_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned long long int stdc_bit_floor_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned short stdc_bit_floor_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_bit_width_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_bit_width_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_bit_width_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_bit_width_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_bit_width_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_ones_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_ones_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_ones_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_ones_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_ones_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_zeros_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_zeros_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_zeros_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_zeros_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_count_zeros_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_one_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_one_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_one_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_one_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_one_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_zero_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_zero_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_zero_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_zero_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_leading_zero_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_one_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_one_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_one_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_one_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_one_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_zero_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_zero_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_zero_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_zero_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_first_trailing_zero_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘_Bool stdc_has_single_bit_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘_Bool stdc_has_single_bit_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘_Bool stdc_has_single_bit_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘_Bool stdc_has_single_bit_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘_Bool stdc_has_single_bit_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_ones_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_ones_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_ones_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_ones_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_ones_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_zeros_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_zeros_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_zeros_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_zeros_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_leading_zeros_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_ones_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_ones_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_ones_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_ones_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_ones_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_zeros_uc (unsigned char X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_zeros_ui (unsigned int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_zeros_ul (unsigned long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_zeros_ull (unsigned long long int X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘unsigned int stdc_trailing_zeros_us (unsigned short X)’

     ‘stdbit.h’ (C23): *note Bit Manipulation::.

‘FILE * stderr’

     ‘stdio.h’ (ISO): *note Standard Streams::.

‘FILE * stdin’

     ‘stdio.h’ (ISO): *note Standard Streams::.

‘FILE * stdout’

     ‘stdio.h’ (ISO): *note Standard Streams::.

‘int stime (const time_t *NEWTIME)’

     ‘time.h’ (SVID): *note Setting and Adjusting the Time::.

     ‘time.h’ (XPG): *note Setting and Adjusting the Time::.

‘char * stpcpy (char *restrict TO, const char *restrict FROM)’

     ‘string.h’ (Unknown origin): *note Copying Strings and Arrays::.

‘char * stpncpy (char *restrict TO, const char *restrict FROM, size_t SIZE)’

     ‘string.h’ (GNU): *note Truncating Strings::.

‘int strcasecmp (const char *S1, const char *S2)’

     ‘string.h’ (BSD): *note String/Array Comparison::.

‘char * strcasestr (const char *HAYSTACK, const char *NEEDLE)’

     ‘string.h’ (GNU): *note Search Functions::.

‘char * strcat (char *restrict TO, const char *restrict FROM)’

     ‘string.h’ (ISO): *note Concatenating Strings::.

‘char * strchr (const char *STRING, int C)’

     ‘string.h’ (ISO): *note Search Functions::.

‘char * strchrnul (const char *STRING, int C)’

     ‘string.h’ (GNU): *note Search Functions::.

‘int strcmp (const char *S1, const char *S2)’

     ‘string.h’ (ISO): *note String/Array Comparison::.

‘int strcoll (const char *S1, const char *S2)’

     ‘string.h’ (ISO): *note Collation Functions::.

‘char * strcpy (char *restrict TO, const char *restrict FROM)’

     ‘string.h’ (ISO): *note Copying Strings and Arrays::.

‘size_t strcspn (const char *STRING, const char *STOPSET)’

     ‘string.h’ (ISO): *note Search Functions::.

‘char * strdup (const char *S)’

     ‘string.h’ (SVID): *note Copying Strings and Arrays::.

‘char * strdupa (const char *S)’

     ‘string.h’ (GNU): *note Copying Strings and Arrays::.

‘char * strerror (int ERRNUM)’

     ‘string.h’ (ISO): *note Error Messages::.

‘char * strerror_l (int ERRNUM, locale_t LOCALE)’

     ‘string.h’ (POSIX): *note Error Messages::.

‘char * strerror_r (int ERRNUM, char *BUF, size_t N)’

     ‘string.h’ (GNU): *note Error Messages::.

‘int strerror_r (int ERRNUM, char *BUF, size_t N)’

     ‘string.h’ (POSIX): *note Error Messages::.

‘const char * strerrordesc_np (int ERRNUM)’

     ‘string.h’ (GNU): *note Error Messages::.

‘const char * strerrorname_np (int ERRNUM)’

     ‘string.h’ (GNU): *note Error Messages::.

‘int strfromd (char *restrict STRING, size_t SIZE, const char *restrict FORMAT, double VALUE)’

     ‘stdlib.h’ (ISO/IEC TS 18661-1): *note Printing of Floats::.

‘int strfromf (char *restrict STRING, size_t SIZE, const char *restrict FORMAT, float VALUE)’

     ‘stdlib.h’ (ISO/IEC TS 18661-1): *note Printing of Floats::.

‘int strfromfN (char *restrict STRING, size_t SIZE, const char *restrict FORMAT, _FloatN VALUE)’

     ‘stdlib.h’ (ISO/IEC TS 18661-3): *note Printing of Floats::.

‘int strfromfNx (char *restrict STRING, size_t SIZE, const char *restrict FORMAT, _FloatNx VALUE)’

     ‘stdlib.h’ (ISO/IEC TS 18661-3): *note Printing of Floats::.

‘int strfroml (char *restrict STRING, size_t SIZE, const char *restrict FORMAT, long double VALUE)’

     ‘stdlib.h’ (ISO/IEC TS 18661-1): *note Printing of Floats::.

‘char * strfry (char *STRING)’

     ‘string.h’ (GNU): *note Shuffling Bytes::.

‘size_t strftime (char *S, size_t SIZE, const char *TEMPLATE, const struct tm *BROKENTIME)’

     ‘time.h’ (ISO): *note Formatting Calendar Time::.

‘size_t strftime_l (char *restrict S, size_t SIZE, const char *restrict TEMPLATE, const struct tm *BROKENTIME, locale_t LOCALE)’

     ‘time.h’ (POSIX.1): *note Formatting Calendar Time::.

‘size_t strlcat (char *restrict TO, const char *restrict FROM, size_t SIZE)’

     ‘string.h’ (POSIX-1.2024): *note Truncating Strings::.

‘size_t strlcpy (char *restrict TO, const char *restrict FROM, size_t SIZE)’

     ‘string.h’ (POSIX-1.2024): *note Truncating Strings::.

‘size_t strlen (const char *S)’

     ‘string.h’ (ISO): *note String Length::.

‘int strncasecmp (const char *S1, const char *S2, size_t N)’

     ‘string.h’ (BSD): *note String/Array Comparison::.

‘char * strncat (char *restrict TO, const char *restrict FROM, size_t SIZE)’

     ‘string.h’ (ISO): *note Truncating Strings::.

‘int strncmp (const char *S1, const char *S2, size_t SIZE)’

     ‘string.h’ (ISO): *note String/Array Comparison::.

‘char * strncpy (char *restrict TO, const char *restrict FROM, size_t SIZE)’

     ‘string.h’ (C90): *note Truncating Strings::.

‘char * strndup (const char *S, size_t SIZE)’

     ‘string.h’ (GNU): *note Truncating Strings::.

‘char * strndupa (const char *S, size_t SIZE)’

     ‘string.h’ (GNU): *note Truncating Strings::.

‘size_t strnlen (const char *S, size_t MAXLEN)’

     ‘string.h’ (POSIX.1): *note String Length::.

‘char * strpbrk (const char *STRING, const char *STOPSET)’

     ‘string.h’ (ISO): *note Search Functions::.

‘char * strptime (const char *S, const char *FMT, struct tm *TP)’

     ‘time.h’ (XPG4): *note Low-Level Time String Parsing::.

‘char * strrchr (const char *STRING, int C)’

     ‘string.h’ (ISO): *note Search Functions::.

‘char * strsep (char **STRING_PTR, const char *DELIMITER)’

     ‘string.h’ (BSD): *note Finding Tokens in a String::.

‘char * strsignal (int SIGNUM)’

     ‘string.h’ (GNU): *note Signal Messages::.

‘size_t strspn (const char *STRING, const char *SKIPSET)’

     ‘string.h’ (ISO): *note Search Functions::.

‘char * strstr (const char *HAYSTACK, const char *NEEDLE)’

     ‘string.h’ (ISO): *note Search Functions::.

‘double strtod (const char *restrict STRING, char **restrict TAILPTR)’

     ‘stdlib.h’ (ISO): *note Parsing of Floats::.

‘float strtof (const char *STRING, char **TAILPTR)’

     ‘stdlib.h’ (ISO): *note Parsing of Floats::.

‘_FloatN strtofN (const char *STRING, char **TAILPTR)’

     ‘stdlib.h’ (ISO/IEC TS 18661-3): *note Parsing of Floats::.

‘_FloatNx strtofNx (const char *STRING, char **TAILPTR)’

     ‘stdlib.h’ (ISO/IEC TS 18661-3): *note Parsing of Floats::.

‘intmax_t strtoimax (const char *restrict STRING, char **restrict TAILPTR, int BASE)’

     ‘inttypes.h’ (ISO): *note Parsing of Integers::.

‘char * strtok (char *restrict NEWSTRING, const char *restrict DELIMITERS)’

     ‘string.h’ (ISO): *note Finding Tokens in a String::.

‘char * strtok_r (char *NEWSTRING, const char *DELIMITERS, char **SAVE_PTR)’

     ‘string.h’ (POSIX): *note Finding Tokens in a String::.

‘long int strtol (const char *restrict STRING, char **restrict TAILPTR, int BASE)’

     ‘stdlib.h’ (ISO): *note Parsing of Integers::.

‘long double strtold (const char *STRING, char **TAILPTR)’

     ‘stdlib.h’ (ISO): *note Parsing of Floats::.

‘long long int strtoll (const char *restrict STRING, char **restrict TAILPTR, int BASE)’

     ‘stdlib.h’ (ISO): *note Parsing of Integers::.

‘long long int strtoq (const char *restrict STRING, char **restrict TAILPTR, int BASE)’

     ‘stdlib.h’ (BSD): *note Parsing of Integers::.

‘unsigned long int strtoul (const char *restrict STRING, char **restrict TAILPTR, int BASE)’

     ‘stdlib.h’ (ISO): *note Parsing of Integers::.

‘unsigned long long int strtoull (const char *restrict STRING, char **restrict TAILPTR, int BASE)’

     ‘stdlib.h’ (ISO): *note Parsing of Integers::.

‘uintmax_t strtoumax (const char *restrict STRING, char **restrict TAILPTR, int BASE)’

     ‘inttypes.h’ (ISO): *note Parsing of Integers::.

‘unsigned long long int strtouq (const char *restrict STRING, char **restrict TAILPTR, int BASE)’

     ‘stdlib.h’ (BSD): *note Parsing of Integers::.

‘int strverscmp (const char *S1, const char *S2)’

     ‘string.h’ (GNU): *note String/Array Comparison::.

‘size_t strxfrm (char *restrict TO, const char *restrict FROM, size_t SIZE)’

     ‘string.h’ (ISO): *note Collation Functions::.

‘int stty (int FILEDES, const struct sgttyb *ATTRIBUTES)’

     ‘sgtty.h’ (BSD): *note BSD Terminal Modes::.

‘int swapcontext (ucontext_t *restrict OUCP, const ucontext_t *restrict UCP)’

     ‘ucontext.h’ (SVID): *note System V contexts::.

‘int swprintf (wchar_t *WS, size_t SIZE, const wchar_t *TEMPLATE, ...)’

     ‘wchar.h’ (GNU): *note Formatted Output Functions::.

‘int swscanf (const wchar_t *WS, const wchar_t *TEMPLATE, ...)’

     ‘wchar.h’ (ISO): *note Formatted Input Functions::.

‘int symlink (const char *OLDNAME, const char *NEWNAME)’

     ‘unistd.h’ (BSD): *note Symbolic Links::.

‘void sync (void)’

     ‘unistd.h’ (X/Open): *note Synchronizing I/O::.

‘long int syscall (long int SYSNO, ...)’

     ‘unistd.h’ (???): *note System Calls::.

‘long int sysconf (int PARAMETER)’

     ‘unistd.h’ (POSIX.1): *note Sysconf Definition::.

‘void syslog (int FACILITY_PRIORITY, const char *FORMAT, ...)’

     ‘syslog.h’ (BSD): *note syslog; vsyslog::.

‘int system (const char *COMMAND)’

     ‘stdlib.h’ (ISO): *note Running a Command::.

‘sighandler_t sysv_signal (int SIGNUM, sighandler_t ACTION)’

     ‘signal.h’ (GNU): *note Basic Signal Handling::.

‘double tan (double X)’

     ‘math.h’ (ISO): *note Trig Functions::.

‘float tanf (float X)’

     ‘math.h’ (ISO): *note Trig Functions::.

‘_FloatN tanfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Trig Functions::.

‘_FloatNx tanfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Trig Functions::.

‘double tanh (double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘float tanhf (float X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘_FloatN tanhfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘_FloatNx tanhfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Hyperbolic Functions::.

‘long double tanhl (long double X)’

     ‘math.h’ (ISO): *note Hyperbolic Functions::.

‘long double tanl (long double X)’

     ‘math.h’ (ISO): *note Trig Functions::.

‘double tanpi (double X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘float tanpif (float X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘_FloatN tanpifN (_FloatN X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘_FloatNx tanpifNx (_FloatNx X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘long double tanpil (long double X)’

     ‘math.h’ (TS 18661-4:2015): *note Trig Functions::.

‘int tcdrain (int FILEDES)’

     ‘termios.h’ (POSIX.1): *note Line Control::.

‘tcflag_t’

     ‘termios.h’ (POSIX.1): *note Mode Data Types::.

‘int tcflow (int FILEDES, int ACTION)’

     ‘termios.h’ (POSIX.1): *note Line Control::.

‘int tcflush (int FILEDES, int QUEUE)’

     ‘termios.h’ (POSIX.1): *note Line Control::.

‘int tcgetattr (int FILEDES, struct termios *TERMIOS-P)’

     ‘termios.h’ (POSIX.1): *note Mode Functions::.

‘pid_t tcgetpgrp (int FILEDES)’

     ‘unistd.h’ (POSIX.1): *note Terminal Access Functions::.

‘pid_t tcgetsid (int FILDES)’

     ‘termios.h’ (Unix98): *note Terminal Access Functions::.

‘int tcsendbreak (int FILEDES, int DURATION)’

     ‘termios.h’ (POSIX.1): *note Line Control::.

‘int tcsetattr (int FILEDES, int WHEN, const struct termios *TERMIOS-P)’

     ‘termios.h’ (POSIX.1): *note Mode Functions::.

‘int tcsetpgrp (int FILEDES, pid_t PGID)’

     ‘unistd.h’ (POSIX.1): *note Terminal Access Functions::.

‘void * tdelete (const void *KEY, void **ROOTP, comparison_fn_t COMPAR)’

     ‘search.h’ (SVID): *note Tree Search Function::.

‘void tdestroy (void *VROOT, __free_fn_t FREEFCT)’

     ‘search.h’ (GNU): *note Tree Search Function::.

‘long int telldir (DIR *DIRSTREAM)’

     ‘dirent.h’ (BSD): *note Random Access Directory::.

‘char * tempnam (const char *DIR, const char *PREFIX)’

     ‘stdio.h’ (SVID): *note Temporary Files::.

‘struct termios’

     ‘termios.h’ (POSIX.1): *note Mode Data Types::.

‘char * textdomain (const char *DOMAINNAME)’

     ‘libintl.h’ (POSIX-1.2024): *note Locating gettext catalog::.

‘void * tfind (const void *KEY, void *const *ROOTP, comparison_fn_t COMPAR)’

     ‘search.h’ (SVID): *note Tree Search Function::.

‘double tgamma (double X)’

     ‘math.h’ (XPG): *note Special Functions::.

     ‘math.h’ (ISO): *note Special Functions::.

‘float tgammaf (float X)’

     ‘math.h’ (XPG): *note Special Functions::.

     ‘math.h’ (ISO): *note Special Functions::.

‘_FloatN tgammafN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Special Functions::.

‘_FloatNx tgammafNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Special Functions::.

‘long double tgammal (long double X)’

     ‘math.h’ (XPG): *note Special Functions::.

     ‘math.h’ (ISO): *note Special Functions::.

‘int tgkill (pid_t PID, pid_t TID, int SIGNUM)’

     ‘signal.h’ (Linux): *note Signaling Another Process::.

‘thrd_busy’

     ‘threads.h’ (C11): *note ISO C Threads Return Values::.

‘int thrd_create (thrd_t *THR, thrd_start_t FUNC, void *ARG)’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘thrd_t thrd_current (void)’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘int thrd_detach (thrd_t THR)’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘int thrd_equal (thrd_t LHS, thrd_t RHS)’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘thrd_error’

     ‘threads.h’ (C11): *note ISO C Threads Return Values::.

‘_Noreturn void thrd_exit (int RES)’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘int thrd_join (thrd_t THR, int *RES)’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘thrd_nomem’

     ‘threads.h’ (C11): *note ISO C Threads Return Values::.

‘int thrd_sleep (const struct timespec *TIME_POINT, struct timespec *REMAINING)’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘thrd_start_t’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘thrd_success’

     ‘threads.h’ (C11): *note ISO C Threads Return Values::.

‘thrd_t’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘thrd_timedout’

     ‘threads.h’ (C11): *note ISO C Threads Return Values::.

‘void thrd_yield (void)’

     ‘threads.h’ (C11): *note ISO C Thread Management::.

‘thread_local’

     ‘threads.h’ (C11): *note ISO C Thread-local Storage::.

‘time_t time (time_t *RESULT)’

     ‘time.h’ (ISO): *note Getting the Time::.

‘time_t’

     ‘time.h’ (ISO): *note Time Types::.

‘time_t timegm (struct tm *BROKENTIME)’

     ‘time.h’ (ISO): *note Broken-down Time::.

‘time_t timelocal (struct tm *BROKENTIME)’

     ‘time.h’ (???): *note Broken-down Time::.

‘clock_t times (struct tms *BUFFER)’

     ‘sys/times.h’ (POSIX.1): *note Processor Time::.

‘struct timespec’

     ‘time.h’ (POSIX.1): *note Time Types::.

‘int timespec_get (struct timespec *TS, int BASE)’

     ‘time.h’ (ISO): *note Getting the Time::.

‘int timespec_getres (struct timespec *RES, int BASE)’

     ‘time.h’ (ISO): *note Getting the Time::.

‘struct timeval’

     ‘sys/time.h’ (BSD): *note Time Types::.

‘long int timezone’

     ‘time.h’ (POSIX.1): *note Time Zone State::.

‘struct tm’

     ‘time.h’ (ISO): *note Time Types::.

     ‘time.h’ (ISO): *note Broken-down Time::.

‘FILE * tmpfile (void)’

     ‘stdio.h’ (ISO): *note Temporary Files::.

‘FILE * tmpfile64 (void)’

     ‘stdio.h’ (Unix98): *note Temporary Files::.

‘char * tmpnam (char *RESULT)’

     ‘stdio.h’ (ISO): *note Temporary Files::.

‘char * tmpnam_r (char *RESULT)’

     ‘stdio.h’ (GNU): *note Temporary Files::.

‘struct tms’

     ‘sys/times.h’ (POSIX.1): *note Processor Time::.

‘int toascii (int C)’

     ‘ctype.h’ (SVID): *note Case Conversion::.

     ‘ctype.h’ (BSD): *note Case Conversion::.

‘int tolower (int C)’

     ‘ctype.h’ (ISO): *note Case Conversion::.

‘int totalorder (const double *X, const double *Y)’

     ‘math.h’ (TS 18661-1:2014): *note FP Comparison Functions::.

‘int totalorderf (const float *X, const float *Y)’

     ‘math.h’ (TS 18661-1:2014): *note FP Comparison Functions::.

‘int totalorderfN (const _FloatN *X, const _FloatN *Y)’

     ‘math.h’ (TS 18661-3:2015): *note FP Comparison Functions::.

‘int totalorderfNx (const _FloatNx *X, const _FloatNx *Y)’

     ‘math.h’ (TS 18661-3:2015): *note FP Comparison Functions::.

‘int totalorderl (const long double *X, const long double *Y)’

     ‘math.h’ (TS 18661-1:2014): *note FP Comparison Functions::.

‘int totalordermag (const double *X, const double *Y)’

     ‘math.h’ (TS 18661-1:2014): *note FP Comparison Functions::.

‘int totalordermagf (const float *X, const float *Y)’

     ‘math.h’ (TS 18661-1:2014): *note FP Comparison Functions::.

‘int totalordermagfN (const _FloatN *X, const _FloatN *Y)’

     ‘math.h’ (TS 18661-3:2015): *note FP Comparison Functions::.

‘int totalordermagfNx (const _FloatNx *X, const _FloatNx *Y)’

     ‘math.h’ (TS 18661-3:2015): *note FP Comparison Functions::.

‘int totalordermagl (const long double *X, const long double *Y)’

     ‘math.h’ (TS 18661-1:2014): *note FP Comparison Functions::.

‘int toupper (int C)’

     ‘ctype.h’ (ISO): *note Case Conversion::.

‘wint_t towctrans (wint_t WC, wctrans_t DESC)’

     ‘wctype.h’ (ISO): *note Wide Character Case Conversion::.

‘wint_t towlower (wint_t WC)’

     ‘wctype.h’ (ISO): *note Wide Character Case Conversion::.

‘wint_t towupper (wint_t WC)’

     ‘wctype.h’ (ISO): *note Wide Character Case Conversion::.

‘double trunc (double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘int truncate (const char *FILENAME, off_t LENGTH)’

     ‘unistd.h’ (X/Open): *note File Size::.

‘int truncate64 (const char *NAME, off64_t LENGTH)’

     ‘unistd.h’ (Unix98): *note File Size::.

‘float truncf (float X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN truncfN (_FloatN X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx truncfNx (_FloatNx X)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double truncl (long double X)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘void * tsearch (const void *KEY, void **ROOTP, comparison_fn_t COMPAR)’

     ‘search.h’ (SVID): *note Tree Search Function::.

‘int tss_create (tss_t *TSS_KEY, tss_dtor_t DESTRUCTOR)’

     ‘threads.h’ (C11): *note ISO C Thread-local Storage::.

‘void tss_delete (tss_t TSS_KEY)’

     ‘threads.h’ (C11): *note ISO C Thread-local Storage::.

‘tss_dtor_t’

     ‘threads.h’ (C11): *note ISO C Thread-local Storage::.

‘void * tss_get (tss_t TSS_KEY)’

     ‘threads.h’ (C11): *note ISO C Thread-local Storage::.

‘int tss_set (tss_t TSS_KEY, void *VAL)’

     ‘threads.h’ (C11): *note ISO C Thread-local Storage::.

‘tss_t’

     ‘threads.h’ (C11): *note ISO C Thread-local Storage::.

‘char * ttyname (int FILEDES)’

     ‘unistd.h’ (POSIX.1): *note Is It a Terminal::.

‘int ttyname_r (int FILEDES, char *BUF, size_t LEN)’

     ‘unistd.h’ (POSIX.1): *note Is It a Terminal::.

‘void twalk (const void *ROOT, __action_fn_t ACTION)’

     ‘search.h’ (SVID): *note Tree Search Function::.

‘void twalk_r (const void *ROOT, void (*ACTION) (const void *KEY, VISIT WHICH, void *CLOSURE), void *CLOSURE)’

     ‘search.h’ (GNU): *note Tree Search Function::.

‘char * tzname [2]’

     ‘time.h’ (POSIX.1): *note Time Zone State::.

‘void tzset (void)’

     ‘time.h’ (POSIX.1): *note Time Zone State::.

‘unsigned int uabs (int NUMBER)’

     ‘stdlib.h’ (ISO): *note Absolute Value::.

‘ucontext_t’

     ‘ucontext.h’ (SVID): *note System V contexts::.

‘double ufromfp (double X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float ufromfpf (float X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN ufromfpfN (_FloatN X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx ufromfpfNx (_FloatNx X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double ufromfpl (long double X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘double ufromfpx (double X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘float ufromfpxf (float X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘_FloatN ufromfpxfN (_FloatN X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘_FloatNx ufromfpxfNx (_FloatNx X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (TS 18661-3:2015): *note Rounding Functions::.

‘long double ufromfpxl (long double X, int ROUND, unsigned int WIDTH)’

     ‘math.h’ (ISO): *note Rounding Functions::.

‘uid_t’

     ‘sys/types.h’ (POSIX.1): *note Reading Persona::.

‘unsigned long int ulabs (long int NUMBER)’

     ‘stdlib.h’ (ISO): *note Absolute Value::.

‘long int ulimit (int CMD, ...)’

     ‘ulimit.h’ (BSD): *note Limits on Resources::.

‘unsigned long long int ullabs (long long int NUMBER)’

     ‘stdlib.h’ (ISO): *note Absolute Value::.

‘mode_t umask (mode_t MASK)’

     ‘sys/stat.h’ (POSIX.1): *note Setting Permissions::.

‘uintmax_t umaxabs (intmax_t NUMBER)’

     ‘inttypes.h’ (ISO): *note Absolute Value::.

‘int umount (const char *FILE)’

     ‘sys/mount.h’ (SVID): *note Mount-Unmount-Remount::.

     ‘sys/mount.h’ (GNU): *note Mount-Unmount-Remount::.

‘int umount2 (const char *FILE, int FLAGS)’

     ‘sys/mount.h’ (GNU): *note Mount-Unmount-Remount::.

‘int uname (struct utsname *INFO)’

     ‘sys/utsname.h’ (POSIX.1): *note Platform Type::.

‘int ungetc (int C, FILE *STREAM)’

     ‘stdio.h’ (ISO): *note How Unread::.

‘wint_t ungetwc (wint_t WC, FILE *STREAM)’

     ‘wchar.h’ (ISO): *note How Unread::.

‘int unlink (const char *FILENAME)’

     ‘unistd.h’ (POSIX.1): *note Deleting Files::.

‘int unlinkat (int FILEDES, const char *FILENAME, int FLAGS)’

     ‘unistd.h’ (POSIX.1-2008): *note Deleting Files::.

‘int unlockpt (int FILEDES)’

     ‘stdlib.h’ (SVID): *note Allocation::.

     ‘stdlib.h’ (XPG4.2): *note Allocation::.

‘int unsetenv (const char *NAME)’

     ‘stdlib.h’ (BSD): *note Environment Access::.

‘void updwtmp (const char *WTMP_FILE, const struct utmp *UTMP)’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘struct utimbuf’

     ‘utime.h’ (POSIX.1): *note File Times::.

‘int utime (const char *FILENAME, const struct utimbuf *TIMES)’

     ‘utime.h’ (POSIX.1): *note File Times::.

‘int utimensat (int FILEDES, const char *FILENAME, const struct timespec TSP[2], int FLAGS)’

     ‘sys/stat.h’ (POSIX.1-2008): *note File Times::.

‘int utimes (const char *FILENAME, const struct timeval TVP[2])’

     ‘sys/time.h’ (BSD): *note File Times::.

‘int utmpname (const char *FILE)’

     ‘utmp.h’ (SVID): *note Manipulating the Database::.

‘int utmpxname (const char *FILE)’

     ‘utmpx.h’ (XPG4.2): *note XPG Functions::.

‘struct utsname’

     ‘sys/utsname.h’ (POSIX.1): *note Platform Type::.

‘TYPE va_arg (va_list AP, TYPE)’

     ‘stdarg.h’ (ISO): *note Argument Macros::.

‘void va_copy (va_list DEST, va_list SRC)’

     ‘stdarg.h’ (C99): *note Argument Macros::.

‘void va_end (va_list AP)’

     ‘stdarg.h’ (ISO): *note Argument Macros::.

‘va_list’

     ‘stdarg.h’ (ISO): *note Argument Macros::.

‘void va_start (va_list AP, LAST-REQUIRED)’

     ‘stdarg.h’ (ISO): *note Argument Macros::.

‘void * valloc (size_t SIZE)’

     ‘malloc.h’ (BSD): *note Aligned Memory Blocks::.

     ‘stdlib.h’ (BSD): *note Aligned Memory Blocks::.

‘int vasprintf (char **PTR, const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (GNU): *note Variable Arguments Output::.

‘int vdprintf (int FD, const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (POSIX): *note Variable Arguments Output::.

‘void verr (int STATUS, const char *FORMAT, va_list AP)’

     ‘err.h’ (BSD): *note Error Messages::.

‘void verrx (int STATUS, const char *FORMAT, va_list AP)’

     ‘err.h’ (BSD): *note Error Messages::.

‘int versionsort (const struct dirent **A, const struct dirent **B)’

     ‘dirent.h’ (GNU): *note Scanning Directory Content::.

‘int versionsort64 (const struct dirent64 **A, const struct dirent64 **B)’

     ‘dirent.h’ (GNU): *note Scanning Directory Content::.

‘pid_t vfork (void)’

     ‘unistd.h’ (BSD): *note Creating a Process::.

‘int vfprintf (FILE *STREAM, const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (ISO): *note Variable Arguments Output::.

‘int vfscanf (FILE *STREAM, const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (ISO): *note Variable Arguments Input::.

‘int vfwprintf (FILE *STREAM, const wchar_t *TEMPLATE, va_list AP)’

     ‘wchar.h’ (ISO): *note Variable Arguments Output::.

‘int vfwscanf (FILE *STREAM, const wchar_t *TEMPLATE, va_list AP)’

     ‘wchar.h’ (ISO): *note Variable Arguments Input::.

‘int vlimit (int RESOURCE, int LIMIT)’

     ‘sys/vlimit.h’ (BSD): *note Limits on Resources::.

‘int vprintf (const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (ISO): *note Variable Arguments Output::.

‘int vscanf (const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (ISO): *note Variable Arguments Input::.

‘int vsnprintf (char *S, size_t SIZE, const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (GNU): *note Variable Arguments Output::.

‘int vsprintf (char *S, const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (ISO): *note Variable Arguments Output::.

‘int vsscanf (const char *S, const char *TEMPLATE, va_list AP)’

     ‘stdio.h’ (ISO): *note Variable Arguments Input::.

‘int vswprintf (wchar_t *WS, size_t SIZE, const wchar_t *TEMPLATE, va_list AP)’

     ‘wchar.h’ (GNU): *note Variable Arguments Output::.

‘int vswscanf (const wchar_t *S, const wchar_t *TEMPLATE, va_list AP)’

     ‘wchar.h’ (ISO): *note Variable Arguments Input::.

‘void vsyslog (int FACILITY_PRIORITY, const char *FORMAT, va_list ARGLIST)’

     ‘syslog.h’ (BSD): *note syslog; vsyslog::.

‘void vwarn (const char *FORMAT, va_list AP)’

     ‘err.h’ (BSD): *note Error Messages::.

‘void vwarnx (const char *FORMAT, va_list AP)’

     ‘err.h’ (BSD): *note Error Messages::.

‘int vwprintf (const wchar_t *TEMPLATE, va_list AP)’

     ‘wchar.h’ (ISO): *note Variable Arguments Output::.

‘int vwscanf (const wchar_t *TEMPLATE, va_list AP)’

     ‘wchar.h’ (ISO): *note Variable Arguments Input::.

‘pid_t wait (int *STATUS-PTR)’

     ‘sys/wait.h’ (POSIX.1): *note Process Completion::.

‘pid_t wait3 (int *STATUS-PTR, int OPTIONS, struct rusage *USAGE)’

     ‘sys/wait.h’ (BSD): *note BSD Wait Functions::.

‘pid_t wait4 (pid_t PID, int *STATUS-PTR, int OPTIONS, struct rusage *USAGE)’

     ‘sys/wait.h’ (BSD): *note Process Completion::.

‘pid_t waitpid (pid_t PID, int *STATUS-PTR, int OPTIONS)’

     ‘sys/wait.h’ (POSIX.1): *note Process Completion::.

‘void warn (const char *FORMAT, ...)’

     ‘err.h’ (BSD): *note Error Messages::.

‘void warnx (const char *FORMAT, ...)’

     ‘err.h’ (BSD): *note Error Messages::.

‘wchar_t’

     ‘stddef.h’ (ISO): *note Extended Char Intro::.

‘wchar_t * wcpcpy (wchar_t *restrict WTO, const wchar_t *restrict WFROM)’

     ‘wchar.h’ (GNU): *note Copying Strings and Arrays::.

‘wchar_t * wcpncpy (wchar_t *restrict WTO, const wchar_t *restrict WFROM, size_t SIZE)’

     ‘wchar.h’ (GNU): *note Truncating Strings::.

‘size_t wcrtomb (char *restrict S, wchar_t WC, mbstate_t *restrict PS)’

     ‘wchar.h’ (ISO): *note Converting a Character::.

‘int wcscasecmp (const wchar_t *WS1, const wchar_t *WS2)’

     ‘wchar.h’ (GNU): *note String/Array Comparison::.

‘wchar_t * wcscat (wchar_t *restrict WTO, const wchar_t *restrict WFROM)’

     ‘wchar.h’ (ISO): *note Concatenating Strings::.

‘wchar_t * wcschr (const wchar_t *WSTRING, wchar_t WC)’

     ‘wchar.h’ (ISO): *note Search Functions::.

‘wchar_t * wcschrnul (const wchar_t *WSTRING, wchar_t WC)’

     ‘wchar.h’ (GNU): *note Search Functions::.

‘int wcscmp (const wchar_t *WS1, const wchar_t *WS2)’

     ‘wchar.h’ (ISO): *note String/Array Comparison::.

‘int wcscoll (const wchar_t *WS1, const wchar_t *WS2)’

     ‘wchar.h’ (ISO): *note Collation Functions::.

‘wchar_t * wcscpy (wchar_t *restrict WTO, const wchar_t *restrict WFROM)’

     ‘wchar.h’ (ISO): *note Copying Strings and Arrays::.

‘size_t wcscspn (const wchar_t *WSTRING, const wchar_t *STOPSET)’

     ‘wchar.h’ (ISO): *note Search Functions::.

‘wchar_t * wcsdup (const wchar_t *WS)’

     ‘wchar.h’ (GNU): *note Copying Strings and Arrays::.

‘size_t wcsftime (wchar_t *S, size_t SIZE, const wchar_t *TEMPLATE, const struct tm *BROKENTIME)’

     ‘time.h’ (ISO): *note Formatting Calendar Time::.

‘size_t wcslcat (wchar_t *restrict TO, const wchar_t *restrict FROM, size_t SIZE)’

     ‘string.h’ (POSIX.1-2024): *note Truncating Strings::.

‘size_t wcslcpy (wchar_t *restrict TO, const wchar_t *restrict FROM, size_t SIZE)’

     ‘string.h’ (POSIX.1-2024): *note Truncating Strings::.

‘size_t wcslen (const wchar_t *WS)’

     ‘wchar.h’ (ISO): *note String Length::.

‘int wcsncasecmp (const wchar_t *WS1, const wchar_t *S2, size_t N)’

     ‘wchar.h’ (GNU): *note String/Array Comparison::.

‘wchar_t * wcsncat (wchar_t *restrict WTO, const wchar_t *restrict WFROM, size_t SIZE)’

     ‘wchar.h’ (ISO): *note Truncating Strings::.

‘int wcsncmp (const wchar_t *WS1, const wchar_t *WS2, size_t SIZE)’

     ‘wchar.h’ (ISO): *note String/Array Comparison::.

‘wchar_t * wcsncpy (wchar_t *restrict WTO, const wchar_t *restrict WFROM, size_t SIZE)’

     ‘wchar.h’ (ISO): *note Truncating Strings::.

‘size_t wcsnlen (const wchar_t *WS, size_t MAXLEN)’

     ‘wchar.h’ (GNU): *note String Length::.

‘size_t wcsnrtombs (char *restrict DST, const wchar_t **restrict SRC, size_t NWC, size_t LEN, mbstate_t *restrict PS)’

     ‘wchar.h’ (GNU): *note Converting Strings::.

‘wchar_t * wcspbrk (const wchar_t *WSTRING, const wchar_t *STOPSET)’

     ‘wchar.h’ (ISO): *note Search Functions::.

‘wchar_t * wcsrchr (const wchar_t *WSTRING, wchar_t WC)’

     ‘wchar.h’ (ISO): *note Search Functions::.

‘size_t wcsrtombs (char *restrict DST, const wchar_t **restrict SRC, size_t LEN, mbstate_t *restrict PS)’

     ‘wchar.h’ (ISO): *note Converting Strings::.

‘size_t wcsspn (const wchar_t *WSTRING, const wchar_t *SKIPSET)’

     ‘wchar.h’ (ISO): *note Search Functions::.

‘wchar_t * wcsstr (const wchar_t *HAYSTACK, const wchar_t *NEEDLE)’

     ‘wchar.h’ (ISO): *note Search Functions::.

‘double wcstod (const wchar_t *restrict STRING, wchar_t **restrict TAILPTR)’

     ‘wchar.h’ (ISO): *note Parsing of Floats::.

‘float wcstof (const wchar_t *STRING, wchar_t **TAILPTR)’

     ‘wchar.h’ (ISO): *note Parsing of Floats::.

‘_FloatN wcstofN (const wchar_t *STRING, wchar_t **TAILPTR)’

     ‘wchar.h’ (GNU): *note Parsing of Floats::.

‘_FloatNx wcstofNx (const wchar_t *STRING, wchar_t **TAILPTR)’

     ‘wchar.h’ (GNU): *note Parsing of Floats::.

‘intmax_t wcstoimax (const wchar_t *restrict STRING, wchar_t **restrict TAILPTR, int BASE)’

     ‘wchar.h’ (ISO): *note Parsing of Integers::.

‘wchar_t * wcstok (wchar_t *NEWSTRING, const wchar_t *DELIMITERS, wchar_t **SAVE_PTR)’

     ‘wchar.h’ (ISO): *note Finding Tokens in a String::.

‘long int wcstol (const wchar_t *restrict STRING, wchar_t **restrict TAILPTR, int BASE)’

     ‘wchar.h’ (ISO): *note Parsing of Integers::.

‘long double wcstold (const wchar_t *STRING, wchar_t **TAILPTR)’

     ‘wchar.h’ (ISO): *note Parsing of Floats::.

‘long long int wcstoll (const wchar_t *restrict STRING, wchar_t **restrict TAILPTR, int BASE)’

     ‘wchar.h’ (ISO): *note Parsing of Integers::.

‘size_t wcstombs (char *STRING, const wchar_t *WSTRING, size_t SIZE)’

     ‘stdlib.h’ (ISO): *note Non-reentrant String Conversion::.

‘long long int wcstoq (const wchar_t *restrict STRING, wchar_t **restrict TAILPTR, int BASE)’

     ‘wchar.h’ (GNU): *note Parsing of Integers::.

‘unsigned long int wcstoul (const wchar_t *restrict STRING, wchar_t **restrict TAILPTR, int BASE)’

     ‘wchar.h’ (ISO): *note Parsing of Integers::.

‘unsigned long long int wcstoull (const wchar_t *restrict STRING, wchar_t **restrict TAILPTR, int BASE)’

     ‘wchar.h’ (ISO): *note Parsing of Integers::.

‘uintmax_t wcstoumax (const wchar_t *restrict STRING, wchar_t **restrict TAILPTR, int BASE)’

     ‘wchar.h’ (ISO): *note Parsing of Integers::.

‘unsigned long long int wcstouq (const wchar_t *restrict STRING, wchar_t **restrict TAILPTR, int BASE)’

     ‘wchar.h’ (GNU): *note Parsing of Integers::.

‘wchar_t * wcswcs (const wchar_t *HAYSTACK, const wchar_t *NEEDLE)’

     ‘wchar.h’ (XPG): *note Search Functions::.

‘size_t wcsxfrm (wchar_t *restrict WTO, const wchar_t *WFROM, size_t SIZE)’

     ‘wchar.h’ (ISO): *note Collation Functions::.

‘int wctob (wint_t C)’

     ‘wchar.h’ (ISO): *note Converting a Character::.

‘int wctomb (char *STRING, wchar_t WCHAR)’

     ‘stdlib.h’ (ISO): *note Non-reentrant Character Conversion::.

‘wctrans_t wctrans (const char *PROPERTY)’

     ‘wctype.h’ (ISO): *note Wide Character Case Conversion::.

‘wctrans_t’

     ‘wctype.h’ (ISO): *note Wide Character Case Conversion::.

‘wctype_t wctype (const char *PROPERTY)’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘wctype_t’

     ‘wctype.h’ (ISO): *note Classification of Wide Characters::.

‘wint_t’

     ‘wchar.h’ (ISO): *note Extended Char Intro::.

‘wchar_t * wmemchr (const wchar_t *BLOCK, wchar_t WC, size_t SIZE)’

     ‘wchar.h’ (ISO): *note Search Functions::.

‘int wmemcmp (const wchar_t *A1, const wchar_t *A2, size_t SIZE)’

     ‘wchar.h’ (ISO): *note String/Array Comparison::.

‘wchar_t * wmemcpy (wchar_t *restrict WTO, const wchar_t *restrict WFROM, size_t SIZE)’

     ‘wchar.h’ (ISO): *note Copying Strings and Arrays::.

‘wchar_t * wmemmove (wchar_t *WTO, const wchar_t *WFROM, size_t SIZE)’

     ‘wchar.h’ (ISO): *note Copying Strings and Arrays::.

‘wchar_t * wmempcpy (wchar_t *restrict WTO, const wchar_t *restrict WFROM, size_t SIZE)’

     ‘wchar.h’ (GNU): *note Copying Strings and Arrays::.

‘wchar_t * wmemset (wchar_t *BLOCK, wchar_t WC, size_t SIZE)’

     ‘wchar.h’ (ISO): *note Copying Strings and Arrays::.

‘int wordexp (const char *WORDS, wordexp_t *WORD-VECTOR-PTR, int FLAGS)’

     ‘wordexp.h’ (POSIX.2): *note Calling Wordexp::.

‘wordexp_t’

     ‘wordexp.h’ (POSIX.2): *note Calling Wordexp::.

‘void wordfree (wordexp_t *WORD-VECTOR-PTR)’

     ‘wordexp.h’ (POSIX.2): *note Calling Wordexp::.

‘int wprintf (const wchar_t *TEMPLATE, ...)’

     ‘wchar.h’ (ISO): *note Formatted Output Functions::.

‘ssize_t write (int FILEDES, const void *BUFFER, size_t SIZE)’

     ‘unistd.h’ (POSIX.1): *note I/O Primitives::.

‘ssize_t writev (int FILEDES, const struct iovec *VECTOR, int COUNT)’

     ‘sys/uio.h’ (BSD): *note Scatter-Gather::.

‘int wscanf (const wchar_t *TEMPLATE, ...)’

     ‘wchar.h’ (ISO): *note Formatted Input Functions::.

‘double y0 (double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘float y0f (float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘_FloatN y0fN (_FloatN X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘_FloatNx y0fNx (_FloatNx X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘long double y0l (long double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘double y1 (double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘float y1f (float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘_FloatN y1fN (_FloatN X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘_FloatNx y1fNx (_FloatNx X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘long double y1l (long double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘double yn (int N, double X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘float ynf (int N, float X)’

     ‘math.h’ (SVID): *note Special Functions::.

‘_FloatN ynfN (int N, _FloatN X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘_FloatNx ynfNx (int N, _FloatNx X)’

     ‘math.h’ (GNU): *note Special Functions::.

‘long double ynl (int N, long double X)’

     ‘math.h’ (SVID): *note Special Functions::.