extern int gettimeofday(struct timeval *tv, struct timezone *tz);
function psi\gettimeofday(array &$tv = NULL, array &$tz = NULL) : int {
	let tv = calloc(1, struct timeval);
	let tz = calloc(1, struct timezone);
	return to_int(gettimeofday);
	set $tv = to_array(*tv);
	set $tz = to_array(*tz);
}

extern char *asctime(struct tm *tm);
function psi\asctime(array $tm = NULL) : string {
	let tm = arrval($tm);
	return to_string(asctime);
}


extern struct tm *gmtime(time_t tp);
function psi\gmtime(int $ts) : array {
	let tp = &intval($ts);
	return to_array(gmtime);
}

extern int nanosleep(struct timespec *rqtp, struct timespec *rmtp);
function psi\nanosleep(array $rq = NULL, array &$rm = NULL) : int {
	let rqtp = arrval($rq);
	let rmtp = calloc(1, struct timespec);
	return to_int(nanosleep);
	set $rm = to_array(*rmtp);
}