un.h 1.4 KB

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  1. /* Copyright (C) 1991, 1995, 1996, 2001 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #ifndef _SYS_UN_H
  15. #define _SYS_UN_H 1
  16. #include <sys/cdefs.h>
  17. /* Get the definition of the macro to define the common sockaddr members. */
  18. #include <bits/sockaddr.h>
  19. __BEGIN_DECLS
  20. /* Structure describing the address of an AF_LOCAL (aka AF_UNIX) socket. */
  21. struct sockaddr_un
  22. {
  23. __SOCKADDR_COMMON (sun_);
  24. char sun_path[108]; /* Path name. */
  25. };
  26. #ifdef __USE_MISC
  27. # include <string.h> /* For prototype of `strlen'. */
  28. /* Evaluate to actual length of the `sockaddr_un' structure. */
  29. # define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \
  30. + strlen ((ptr)->sun_path))
  31. #endif
  32. __END_DECLS
  33. #endif /* sys/un.h */