find_days_ymd
.find_days_ymd = julian_find_days_ymd,
.find_days_ymd = chinese_find_days_ymd,
.find_days_ymd = find_days_ymd,
int (*find_days_ymd)(int year, int month, int day,
int find_days_ymd(int year, int month, int day,
Calendar->find_days_ymd != NULL) {
return (Calendar->find_days_ymd)(di.year, di.month,
Calendar->find_days_ymd != NULL) {
return (Calendar->find_days_ymd)(-1, di.month, di.dayofmonth,