#endif /* not lint */
#ifndef lint
-static char sccsid[] = "@(#)bog.c 8.1 (Berkeley) 6/11/93";
+static char sccsid[] = "@(#)bog.c 8.2 (Berkeley) 5/4/95";
#endif /* not lint */
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
+#include <unistd.h>
#include "bog.h"
#include "extern.h"