glibc/bits/sockaddr.h

45 lines
1.7 KiB
C

/* Definition of `struct sockaddr_*' common members. Generic/4.2 BSD version.
Copyright (C) 1995, 1996, 1997, 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/*
* Never include this file directly; use <sys/socket.h> instead.
*/
#ifndef _BITS_SOCKADDR_H
#define _BITS_SOCKADDR_H 1
/* POSIX.1g specifies this type name for the `sa_family' member. */
typedef unsigned short int sa_family_t;
/* This macro is used to declare the initial common members
of the data types used for socket addresses, `struct sockaddr',
`struct sockaddr_in', `struct sockaddr_un', etc. */
#define __SOCKADDR_COMMON(sa_prefix) \
sa_family_t sa_prefix##family
#define __SOCKADDR_COMMON_SIZE (sizeof (unsigned short int))
/* Return the length of a `sockaddr' structure. */
#define SA_LEN(_x) __libc_sa_len((_x)->sa_family)
extern int __libc_sa_len __P ((sa_family_t __af));
#endif /* bits/sockaddr.h */