1471     register int_fast64_t rem;  in timesub()  local
1503     rem = *timep - tdays * SECSPERDAY;  in timesub()
1531         rem += seconds - tdays * SECSPERDAY;  in timesub()
1537     rem += offset - corr;  in timesub()
1538     while (rem < 0) {  in timesub()
1539         rem += SECSPERDAY;  in timesub()
1542     while (rem >= SECSPERDAY) {  in timesub()
1543         rem -= SECSPERDAY;  in timesub()
1572     tmp->tm_hour = (int) (rem / SECSPERHOUR);  in timesub()
1573     rem %= SECSPERHOUR;  in timesub()
1574     tmp->tm_min = (int) (rem / SECSPERMIN);  in timesub()
1579     tmp->tm_sec = (int) (rem % SECSPERMIN) + hit;  in timesub()