31 lines
393 B
C
31 lines
393 B
C
/* See LICENSE file for copyright and license details. */
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#include <unistd.h>
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s num\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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unsigned seconds;
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ARGBEGIN {
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default:
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usage();
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} ARGEND;
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if (argc != 1)
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usage();
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seconds = estrtonum(argv[0], 0, UINT_MAX);
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while ((seconds = sleep(seconds)) > 0)
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;
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return 0;
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}
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