text: /*-
   * Copyright (c) 1982, 1986, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)un.h	8.3 (Berkeley) 2/19/95
   * $FreeBSD: soc2013/dpl/head/sys/sys/un.h 247411 2013-02-01 15:32:20Z jhb $
   */
  
  #ifndef _SYS_UN_H_
  #define _SYS_UN_H_
  
  #include <sys/cdefs.h>
  #include <sys/_types.h>
  
  #ifndef _SA_FAMILY_T_DECLARED
  typedef	__sa_family_t	sa_family_t;
  #define	_SA_FAMILY_T_DECLARED
  #endif
  
  /*
   * Definitions for UNIX IPC domain.
   */
  struct sockaddr_un {
  	unsigned char	sun_len;	/* sockaddr len including null */
  	sa_family_t	sun_family;	/* AF_UNIX */
  	char	sun_path[104];		/* path name (gag) */
  };
  
  #if __BSD_VISIBLE
  
  /* Socket options. */
  #define	LOCAL_PEERCRED		1	/* retrieve peer credentials */
  #define	LOCAL_CREDS		2	/* pass credentials to receiver */
  #define	LOCAL_CONNWAIT		4	/* connects block until accepted */
  
  /* Start of reserved space for third-party socket options. */
  #define	LOCAL_VENDOR		SO_VENDOR
  
  #ifndef _KERNEL
  
  /* actual length of an initialized sockaddr_un */
  #define SUN_LEN(su) \
  	(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
  
  #endif /* !_KERNEL */
  
  #endif /* __BSD_VISIBLE */
  
  #endif /* !_SYS_UN_H_ */
  