c# windows Code

//----------------------------------- // CDate.c � 2001 by Charles Petzold //----------------------------------- #include <stdio.h> struct Date { int year; int month; int day; }; int IsLeapYear(int year) { return (year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0)); } int DayOfYear(struct Date date) { static int MonthDays[12] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 }; return MonthDays[date.month - 1] + date.day + ((date.month > 2) && IsLeapYear(date.year)); } int main(void) { struct Date mydate; mydate.month = 8; mydate.day = 29; mydate.year = 2001; printf("Day of year = %i\n", DayOfYear(mydate)); return 0; }