xref: /netbsd-src/games/larn/nap.c (revision 213144e1de7024d4193d04aa51005ba3a5ad95e7)
1 /*	$NetBSD: nap.c,v 1.5 1997/10/18 20:03:36 christos Exp $	*/
2 
3 /* nap.c		 Larn is copyrighted 1986 by Noah Morgan. */
4 #include <sys/cdefs.h>
5 #ifndef lint
6 __RCSID("$NetBSD: nap.c,v 1.5 1997/10/18 20:03:36 christos Exp $");
7 #endif				/* not lint */
8 
9 #include <unistd.h>
10 #include "header.h"
11 #include "extern.h"
12 
13 /*
14  *	routine to take a nap for n milliseconds
15  */
16 void
17 nap(x)
18 	int    x;
19 {
20 	if (x <= 0)
21 		return;		/* eliminate chance for infinite loop */
22 	lflush();
23 	usleep(x * 1000);
24 }
25