/*-

 * 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: src/sys/sys/un.h,v 1.29 2005/04/13 00:01:46 mdodd Exp $

 */

#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		0x001	/* retrieve peer credentials */

#define	LOCAL_CREDS		0x002	/* pass credentials to receiver */

#define	LOCAL_CONNWAIT		0x004	/* connects block until accepted */

#ifdef _KERNEL

struct mbuf;

struct socket;

struct sockopt;

//int	uipc_connect2(struct socket *so1, struct socket *so2);

//int	uipc_ctloutput(struct socket *so, struct sockopt *sopt);

//int	uipc_usrreq(struct socket *so, int req, struct mbuf *m,

//		struct mbuf *nam, struct mbuf *control);

//void	unp_dispose(struct mbuf *m);

//int	unp_externalize(struct mbuf *mbuf, struct mbuf **controlp);

//void	unp_init(void);

extern	struct pr_usrreqs uipc_usrreqs;

#else /* !_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_ */