ioctl.h 2.6 KB

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  1. //
  2. // Copyright 2026 Aarav Ravindra Kharade
  3. //
  4. // Licensed under the Apache License, Version 2.0 (the "License");
  5. // you may not use this file except in compliance with the License.
  6. // You may obtain a copy of the License at
  7. //
  8. // http://www.apache.org/licenses/LICENSE-2.0
  9. //
  10. // Unless required by applicable law or agreed to in writing, software
  11. // distributed under the License is distributed on an "AS IS" BASIS,
  12. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. // See the License for the specific language governing permissions and
  14. // limitations under the License.
  15. //
  16. /* Copyright (C) 1991-2026 Free Software Foundation, Inc.
  17. This file is part of the GNU C Library.
  18. The GNU C Library is free software; you can redistribute it and/or
  19. modify it under the terms of the GNU Lesser General Public
  20. License as published by the Free Software Foundation; either
  21. version 2.1 of the License, or (at your option) any later version.
  22. The GNU C Library is distributed in the hope that it will be useful,
  23. but WITHOUT ANY WARRANTY; without even the implied warranty of
  24. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  25. Lesser General Public License for more details.
  26. You should have received a copy of the GNU Lesser General Public
  27. License along with the GNU C Library; if not, see
  28. <https://www.gnu.org/licenses/>. */
  29. #ifndef _SYS_IOCTL_H
  30. #define _SYS_IOCTL_H 1
  31. #include <features.h>
  32. __BEGIN_DECLS
  33. /* Get the list of `ioctl' requests and related constants. */
  34. #include <bits/ioctls.h>
  35. /* Define some types used by `ioctl' requests. */
  36. #include <bits/ioctl-types.h>
  37. /* On a Unix system, the system <sys/ioctl.h> probably defines some of
  38. the symbols we define in <sys/ttydefaults.h> (usually with the same
  39. values). The code to generate <bits/ioctls.h> has omitted these
  40. symbols to avoid the conflict, but a Unix program expects <sys/ioctl.h>
  41. to define them, so we must include <sys/ttydefaults.h> here. */
  42. #include <sys/ttydefaults.h>
  43. /* Perform the I/O control operation specified by REQUEST on FD.
  44. One argument may follow; its presence and type depend on REQUEST.
  45. Return value depends on REQUEST. Usually -1 indicates error. */
  46. #ifndef __USE_TIME64_REDIRECTS
  47. extern int ioctl (int __fd, unsigned long int __request, ...) __THROW;
  48. #else
  49. # ifdef __REDIRECT
  50. extern int __REDIRECT_NTH (ioctl, (int __fd, unsigned long int __request, ...),
  51. __ioctl_time64);
  52. # else
  53. extern int __ioctl_time64 (int __fd, unsigned long int __request, ...) __THROW;
  54. # define ioctl __ioctl_time64
  55. # endif
  56. #endif
  57. __END_DECLS
  58. #endif /* sys/ioctl.h */