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glibc  2.9
sockaddr.h
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00001 /* Definition of `struct sockaddr_*' common members.  Generic/4.2 BSD version.
00002    Copyright (C) 1995,1996,1997,1998,2000,2001 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 /*
00021  * Never include this file directly; use <sys/socket.h> instead.
00022  */
00023 
00024 #ifndef _BITS_SOCKADDR_H
00025 #define _BITS_SOCKADDR_H    1
00026 
00027 
00028 /* POSIX.1g specifies this type name for the `sa_family' member.  */
00029 typedef unsigned short int sa_family_t;
00030 
00031 /* This macro is used to declare the initial common members
00032    of the data types used for socket addresses, `struct sockaddr',
00033    `struct sockaddr_in', `struct sockaddr_un', etc.  */
00034 
00035 #define       __SOCKADDR_COMMON(sa_prefix) \
00036   sa_family_t sa_prefix##family
00037 
00038 #define __SOCKADDR_COMMON_SIZE     (sizeof (unsigned short int))
00039 
00040 #endif /* bits/sockaddr.h */