YEARS_PER_LYEAR_PERIOD  112 ext/date/lib/tm2unixtime.c 		*y += YEARS_PER_LYEAR_PERIOD * (*d / DAYS_PER_LYEAR_PERIOD);
YEARS_PER_LYEAR_PERIOD   60 ext/date/lib/unixtime2tm.c 			cur_year += YEARS_PER_LYEAR_PERIOD * (tmp_days / DAYS_PER_LYEAR_PERIOD);