FrenchToSdn 203 ext/calendar/calendar.c {"French", "CAL_FRENCH", FrenchToSdn, SdnToFrench, 13, 30, FrenchToSdn 678 ext/calendar/calendar.c RETURN_LONG(FrenchToSdn(year, month, day)); FrenchToSdn 89 ext/calendar/sdncal.h long int FrenchToSdn(int inputYear, int inputMonth, int inputDay);