nsecuptime
now = nsecuptime();
c->c_ubase = nsecuptime();
nc->c_ubase = nsecuptime();
start = nsecuptime();
cq->cq_uptime = nsecuptime();
count = nsec_advance(&expiration, period, nsecuptime());
now = nsecuptime();
now = nsecuptime();
} else if ((now = nsecuptime()) < end) {
now = nsecuptime();
now = nsecuptime();
cur_time = nsecuptime();
sp->cur_time = nsecuptime();
cur_time = nsecuptime();
cur_time = nsecuptime();
uint64_t nsecuptime(void);