[unix-history] / usr / src / bin / sleep / sleep.c

/*
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1988 Regents of the University of California.\n\
All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)sleep.c     5.4 (Berkeley) %G%";
#endif /* not lint */

#include <stdio.h>

main(argc, argv)
       int argc;
       char **argv;
{
       int secs;

       if (argc != 2) {
               fputs("usage: sleep time\n", stderr);
               exit(1);
       }
       if ((secs = atoi(argv[1])) > 0)
               (void)sleep(secs);
       exit(0);
}