timespecsub
timespecsub(&pp->p_etime, &pp->p_btime, &diff);
timespecsub(&endtime, &now, &ntime);
timespecsub(&tp2, &tp1, &delta);
timespecsub(&pt->pt_end, &pt->pt_start, &ts);
timespecsub(&e, &s, &e);
timespecsub(&end, &start, &end);
timespecsub(&end, &start, &end);
timespecsub(&tp2, &tp1, &delta);
timespecsub(&tp2, &tp1, &delta);
timespecsub(&nt, &lasttime, &dt);
timespecsub(&ts1, &ts0, &ts1);
timespecsub(&uts, &ts1, &uts);
timespecsub(&ts1, &ts0, &ts1);
timespecsub(&uts, &ts1, &uts);
timespecsub(&now, &ts, &now);
timespecsub(&ts1, &ts0, &ts1);
timespecsub(&uts, &ts1, &uts);
timespecsub(&ts1, &ts0, &ts1);
timespecsub(&uts, &ts1, &uts);
timespecsub(&now, &ts, &now);
timespecsub(&ts, &lockstat_stime, &ld->ld_time);
timespecsub(&deadline, &ts, &ts);
timespecsub(&aits->it_value, &now,
timespecsub(&it->it_time.it_value, &now,
timespecsub(ts, &now, &delta);
timespecsub(rqt, &rmtend, t);
timespecsub(&rmtend, &rmtstart, t);
timespecsub(rqt, t, t);
timespecsub(&it->it_time.it_value,
timespecsub(&itn->it_time.it_value,
timespecsub(&ntb, &nta, &ntb);
timespecsub(&now, sleepts, &sleptts);
timespecsub(ts, &sleptts, ts);
timespecsub(ts, &sleptts, ts);
timespecsub(ts, &tsd, &tsd);
timespecsub(&ts, &now, &ts);
timespecsub(&ts, &now, &ts);
timespecsub(deadline, &ts, &ts);
timespecsub(&tsnow, &tsstart, &tsnow);
timespecsub(&ts, &tsnow, &ts);
timespecsub(&ts, &ots, &ts);
timespecsub(&ts, &ots, &ts);
timespecsub(&ts, &ots, &ts);
timespecsub(&ts, &ots, &ts);
timespecsub(&ts, &ots, &ts);
timespecsub(&tsb, &tsa, &tremain);
timespecsub(&tslp, &tremain, &tremain);
timespecsub(&mono_t1, &mono_t0, &mono_d);
timespecsub(&end, &start, &delta);
timespecsub(&end, &start, &delta);
timespecsub(&after, &before, &len);
timespecsub(&t1, &t0, &dt);
timespecsub(&t1, &t0, &dt);
timespecsub(&rtim.it_value, &otim.it_value, &rtim.it_value);
timespecsub(&now, &then, &delta);
timespecsub(&now, &then, &delta);
timespecsub(&now, &then, &delta);
timespecsub(&now, &then, &delta);
timespecsub(&now, &then, &delta);
timespecsub(&te, &to, &to);
timespecsub(&stop, &start, &diff);
timespecsub(&stop, &start, &diff);
timespecsub(&kth->ktr_ts, &starttime, &temp);
timespecsub(&kth->ktr_ts, &prevtime, &temp);
timespecsub(&zero_ts, ts, &abs_ts);
timespecsub(&kth->ktr_time,
timespecsub(&kth->ktr_time,
timespecsub(&after, &before, &after);
timespecsub(&now, &rai->lastsent, &tm_tmp);
timespecsub(&min_delay, &tm_tmp, &min_delay);
timespecsub(&tm_max, &now, &returnval);
timespecsub(&timer->tm, &now, &returnval);