third_party/ulib/musl/src/unistd/sleep.c

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

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