LEAPS_THRU_END_OF  142 fs/udf/udftime.c #define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))
LEAPS_THRU_END_OF   74 include/asm-parisc/rtc.h #define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))