sockaddr.h 1.7 KB

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  1. /* Definition of `struct sockaddr_*' common members. Generic/4.2 BSD version.
  2. Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Library General Public License as
  6. published by the Free Software Foundation; either version 2 of the
  7. License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Library General Public License for more details.
  12. You should have received a copy of the GNU Library General Public
  13. License along with the GNU C Library; see the file COPYING.LIB. If not,
  14. write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  15. Boston, MA 02111-1307, USA. */
  16. /*
  17. * Never include this file directly; use <sys/socket.h> instead.
  18. */
  19. #ifndef _BITS_SOCKADDR_H
  20. #define _BITS_SOCKADDR_H 1
  21. __BEGIN_DECLS
  22. /* POSIX.1g specifies this type name for the `sa_family' member. */
  23. typedef unsigned short int sa_family_t;
  24. /* This macro is used to declare the initial common members
  25. of the data types used for socket addresses, `struct sockaddr',
  26. `struct sockaddr_in', `struct sockaddr_un', etc. */
  27. #define __SOCKADDR_COMMON(sa_prefix) \
  28. sa_family_t sa_prefix##family
  29. #define __SOCKADDR_COMMON_SIZE (sizeof (unsigned short int))
  30. /* Return the length of a `sockaddr' structure. */
  31. #define SA_LEN(_x) __libc_sa_len((_x)->sa_family)
  32. extern int __libc_sa_len __P ((sa_family_t __af));
  33. __END_DECLS
  34. #endif /* bits/sockaddr.h */