/*
 * 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