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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 
      4    The GNU C Library is free software; you can redistribute it and/or
      5    modify it under the terms of the GNU Lesser General Public
      6    License as published by the Free Software Foundation; either
      7    version 2.1 of the License, or (at your option) any later version.
      8 
      9    The GNU C Library is distributed in the hope that it will be useful,
     10    but WITHOUT ANY WARRANTY; without even the implied warranty of
     11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12    Lesser General Public License for more details.
     13 
     14    You should have received a copy of the GNU Lesser General Public
     15    License along with the GNU C Library; if not, write to the Free
     16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     17    02111-1307 USA.  */
     18 
     19 #ifndef	_SYS_UN_H
     20 #define	_SYS_UN_H	1
     21 
     22 #include <sys/cdefs.h>
     23 
     24 /* Get the definition of the macro to define the common sockaddr members.  */
     25 #include <bits/sockaddr.h>
     26 
     27 __BEGIN_DECLS
     28 
     29 /* Structure describing the address of an AF_LOCAL (aka AF_UNIX) socket.  */
     30 struct sockaddr_un
     31   {
     32     __SOCKADDR_COMMON (sun_);
     33     char sun_path[108];		/* Path name.  */
     34   };
     35 
     36 
     37 #ifdef __USE_MISC
     38 # include <string.h>		/* For prototype of `strlen'.  */
     39 
     40 /* Evaluate to actual length of the `sockaddr_un' structure.  */
     41 # define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path)	      \
     42 		      + strlen ((ptr)->sun_path))
     43 #endif
     44 
     45 __END_DECLS
     46 
     47 #endif	/* sys/un.h  */
     48