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- /* getifaddrs -- get names and addresses of all network interfaces
- Copyright (C) 2002-2026 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
- #include <ifaddrs.h>
- #include <errno.h>
- #include <stdlib.h>
- /* Create a linked list of `struct ifaddrs' structures, one for each
- network interface on the host machine. If successful, store the
- list in *IFAP and return 0. On errors, return -1 and set `errno'. */
- int
- __getifaddrs (struct ifaddrs **ifap)
- {
- __set_errno (ENOSYS);
- return -1;
- }
- weak_alias (__getifaddrs, getifaddrs)
- libc_hidden_def (__getifaddrs)
- libc_hidden_weak (getifaddrs)
- stub_warning (getifaddrs)
- void
- __freeifaddrs (struct ifaddrs *ifa)
- {
- if (ifa == NULL)
- return; /* a la free, why not? */
- /* Can't be called properly if getifaddrs never succeeded. */
- abort ();
- }
- weak_alias (__freeifaddrs, freeifaddrs)
- libc_hidden_def (__freeifaddrs)
- libc_hidden_weak (freeifaddrs)
- stub_warning (freeifaddrs)
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