X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/8c8a5b54e79564c14fc7a2823a21a8f048449bcf..refs/tags/BSD-4_3_Net_2:/usr/src/sys/sys/msgbuf.h

diff --git a/usr/src/sys/sys/msgbuf.h b/usr/src/sys/sys/msgbuf.h
index 2ac826a43f..821b124938 100644
--- a/usr/src/sys/sys/msgbuf.h
+++ b/usr/src/sys/sys/msgbuf.h
@@ -2,18 +2,44 @@
  * Copyright (c) 1981, 1984 The Regents of the University of California.
  * All rights reserved.
  *
- * %sccs.include.redist.c%
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 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.
  *
- *	@(#)msgbuf.h	7.4 (Berkeley) %G%
+ * 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.
+ *
+ *	@(#)msgbuf.h	7.5 (Berkeley) 5/2/91
  */
 
-#define	MSG_MAGIC	0x063061
 #define	MSG_BSIZE	(4096 - 3 * sizeof(long))
 struct	msgbuf {
+#define	MSG_MAGIC	0x063061
 	long	msg_magic;
-	long	msg_bufx;
-	long	msg_bufr;
-	char	msg_bufc[MSG_BSIZE];
+	long	msg_bufx;		/* write pointer */
+	long	msg_bufr;		/* read pointer */
+	char	msg_bufc[MSG_BSIZE];	/* buffer */
 };
 #ifdef KERNEL
 struct	msgbuf *msgbufp;