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Annotation of sys/sys/un.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: un.h,v 1.8 2003/06/02 23:28:22 millert Exp $  */
        !             2: /*     $NetBSD: un.h,v 1.11 1996/02/04 02:12:47 christos Exp $ */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1982, 1986, 1993
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. Neither the name of the University nor the names of its contributors
        !            17:  *    may be used to endorse or promote products derived from this software
        !            18:  *    without specific prior written permission.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            30:  * SUCH DAMAGE.
        !            31:  *
        !            32:  *     @(#)un.h        8.1 (Berkeley) 6/2/93
        !            33:  */
        !            34:
        !            35: #ifndef _SYS_UN_H_
        !            36: #define        _SYS_UN_H_
        !            37:
        !            38: /*
        !            39:  * Definitions for UNIX IPC domain.
        !            40:  */
        !            41: struct sockaddr_un {
        !            42:        unsigned char   sun_len;        /* sockaddr len including null */
        !            43:        unsigned char   sun_family;     /* AF_UNIX */
        !            44:        char    sun_path[104];          /* path name (gag) */
        !            45: };
        !            46:
        !            47: #ifdef _KERNEL
        !            48: struct unpcb;
        !            49: struct socket;
        !            50:
        !            51: int    unp_attach(struct socket *so);
        !            52: int    unp_bind(struct unpcb *unp, struct mbuf *nam, struct proc *p);
        !            53: int    unp_connect(struct socket *so, struct mbuf *nam, struct proc *p);
        !            54: int    unp_connect2(struct socket *so, struct socket *so2);
        !            55: void   unp_detach(struct unpcb *unp);
        !            56: void   unp_discard(struct file *fp);
        !            57: void   unp_disconnect(struct unpcb *unp);
        !            58: void   unp_drop(struct unpcb *unp, int errno);
        !            59: void   unp_gc(void);
        !            60: void   unp_mark(struct file *fp);
        !            61: void   unp_scan(struct mbuf *m0, void (*op)(struct file *), int);
        !            62: void   unp_shutdown(struct unpcb *unp);
        !            63: int    unp_externalize(struct mbuf *);
        !            64: int    unp_internalize(struct mbuf *, struct proc *);
        !            65: void   unp_dispose(struct mbuf *);
        !            66: #else /* !_KERNEL */
        !            67:
        !            68: /* actual length of an initialized sockaddr_un */
        !            69: #define SUN_LEN(su) \
        !            70:        (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
        !            71: #endif /* _KERNEL */
        !            72: #endif /* !_SYS_UN_H_ */

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