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glibc  2.9
un.h
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00001 /* Copyright (C) 1991, 1995, 1996, 2001 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #ifndef       _SYS_UN_H
00020 #define       _SYS_UN_H     1
00021 
00022 #include <sys/cdefs.h>
00023 
00024 /* Get the definition of the macro to define the common sockaddr members.  */
00025 #include <bits/sockaddr.h>
00026 
00027 __BEGIN_DECLS
00028 
00029 /* Structure describing the address of an AF_LOCAL (aka AF_UNIX) socket.  */
00030 struct sockaddr_un
00031   {
00032     __SOCKADDR_COMMON (sun_);
00033     char sun_path[108];            /* Path name.  */
00034   };
00035 
00036 
00037 #ifdef __USE_MISC
00038 # include <string.h>        /* For prototype of `strlen'.  */
00039 
00040 /* Evaluate to actual length of the `sockaddr_un' structure.  */
00041 # define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path)             \
00042                     + strlen ((ptr)->sun_path))
00043 #endif
00044 
00045 __END_DECLS
00046 
00047 #endif /* sys/un.h  */