1 /* Copyright (C) 1991-2021 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, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _SYS_UN_H 19 #define _SYS_UN_H 1 20 21 #include <sys/cdefs.h> 22 23 /* Get the definition of the macro to define the common sockaddr members. */ 24 #include <bits/sockaddr.h> 25 26 __BEGIN_DECLS 27 28 /* Structure describing the address of an AF_LOCAL (aka AF_UNIX) socket. */ 29 struct sockaddr_un 30 { 31 __SOCKADDR_COMMON (sun_); 32 char sun_path[108]; /* Path name. */ 33 }; 34 35 36 #ifdef __USE_MISC 37 # include <string.h> /* For prototype of `strlen'. */ 38 39 /* Evaluate to actual length of the `sockaddr_un' structure. */ 40 # define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \ 41 + strlen ((ptr)->sun_path)) 42 #endif 43 44 __END_DECLS 45 46 #endif /* sys/un.h */