HelenOS sources

floor_mod         280 uspace/lib/c/generic/time.c 	return floor_mod(days_since_epoch(year, mon, mday) + 4, 7);
floor_mod         308 uspace/lib/c/generic/time.c 	nsec = floor_mod(nsec, NSECS_PER_SEC);
floor_mod         310 uspace/lib/c/generic/time.c 	sec = floor_mod(sec, SECS_PER_MIN);
floor_mod         312 uspace/lib/c/generic/time.c 	min = floor_mod(min, MINS_PER_HOUR);
floor_mod         314 uspace/lib/c/generic/time.c 	hour = floor_mod(hour, HOURS_PER_DAY);
floor_mod         318 uspace/lib/c/generic/time.c 	mon = floor_mod(mon, 12);
floor_mod         324 uspace/lib/c/generic/time.c 	day = floor_mod(day, 146097);
floor_mod         398 uspace/lib/c/generic/time.c 	return floor_mod(4 - start_wday, 7) - 3;
HelenOS homepage, sources at GitHub