/* Copyright (C) 1991-2020 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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef _SYS_UN_H
#define _SYS_UN_H 1

#include <sys/cdefs.h>

/* Get the definition of the macro to define the common sockaddr members.  */
#include <bits/sockaddr.h>

__BEGIN_DECLS

/* Structure describing the address of an AF_LOCAL (aka AF_UNIX) socket.  */
struct sockaddr_un {
    __SOCKADDR_COMMON(sun_);
    char sun_path[108]; /* Path name.  */
};

#ifdef __USE_MISC
#include <string.h> /* For prototype of `strlen'.  */

/* Evaluate to actual length of the `sockaddr_un' structure.  */
#define SUN_LEN(ptr) \
    ((size_t)(((struct sockaddr_un*)0)->sun_path) + strlen((ptr)->sun_path))
#endif

__END_DECLS

#endif /* sys/un.h  */
