Initial Import from SVN

sys/include/msgbuf.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 1986 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+#define	MSG_MAGIC	0x063061
+#define	MSG_BSIZE	2048
+
+struct	msgbuf {
+	long	msg_magic;
+	int	msg_bufx;
+	int	msg_bufr;
+	char	msg_bufc [MSG_BSIZE];
+};
+
+#define	logMSG	0		/* /dev/klog */
+
+#ifdef KERNEL
+/*
+ * Check that log is open by a user program.
+ */
+int logisopen (int unit);
+#endif