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

1.1     ! nbrk        1: /*     $OpenBSD: msgbuf.h,v 1.8 2005/04/14 21:58:50 krw Exp $  */
        !             2: /*     $NetBSD: msgbuf.h,v 1.8 1995/03/26 20:24:27 jtc Exp $   */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1981, 1984, 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:  *     @(#)msgbuf.h    8.1 (Berkeley) 6/2/93
        !            33:  */
        !            34:
        !            35: struct msgbuf {
        !            36: #define        MSG_MAGIC       0x063061
        !            37:        long    msg_magic;
        !            38:        long    msg_bufx;               /* write pointer */
        !            39:        long    msg_bufr;               /* read pointer */
        !            40:        long    msg_bufs;               /* real msg_bufc size (bytes) */
        !            41:        long    msg_bufl;               /* # chars, <= msg_bufs */
        !            42:        char    msg_bufc[1];            /* buffer */
        !            43: };
        !            44: #ifdef _KERNEL
        !            45: extern struct msgbuf *msgbufp;
        !            46:
        !            47: void   initmsgbuf(caddr_t buf, size_t bufsize);
        !            48: void   msgbuf_putchar(const char c);
        !            49: #endif