timevalisset
if (timevalisset(&sc->idletimeout) &&
if (timevalisset(&sc->idletimeout)) {
if (timevalisset(&tx_buf->timestamp) == 0)
timevalisset(&p->p_timer[ITIMER_VIRTUAL].it_value) &&
if (timevalisset(&p->p_timer[ITIMER_PROF].it_value) &&
if (timevalisset(&p->p_realtimer.it_value))
if (!timevalisset(&p->p_realtimer.it_interval)) {
if (timevalisset(&itp->it_value))
if (timevalisset(&itp->it_interval)) {
if (timevalisset(&aitv.it_value)) {
if (!timevalisset(&aitv.it_value))
if (timevalisset(&p->p_realtimer.it_value))
if (timevalisset(&aitv.it_value))
&& !timevalisset(&sc->stats.endTime)) {