days_in_month
tmp += days_in_month(i);
days += days_in_month(i);
for (leap = 0, i = 1; days >= days_in_month(i)+leap; i++) {
days -= days_in_month(i)+leap;
dm = days_in_month[leap_year(year)][month];
day += days_in_month[leap][i];
date > days_in_month[1][month])
static int days_in_month[2][13] = {
days_in_month[1][month]);
mdays = days_in_month[g_leap_year(year, 3, 1)][month];