05/musl-0.6.0/src/unistd/sleep.c


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#include <unistd.h>
#include <time.h>

unsigned sleep(unsigned seconds)
{
	struct timespec tv = { .tv_sec = seconds, .tv_nsec = 0 };
	if (nanosleep(&tv, &tv))
		return tv.tv_sec;
	return 0;
}