DAYSPERNYEAR 52 usr/lib/libc/time/gmtime_r.c for (year = 1970, i = DAYSPERNYEAR + is_leap(year); DAYSPERNYEAR 54 usr/lib/libc/time/gmtime_r.c year++, i = DAYSPERNYEAR + is_leap(year)) DAYSPERNYEAR 41 usr/lib/libc/time/mktime.c days += DAYSPERNYEAR + (isleap(year) ? 1 : 0);