C program to print one month calendar

C program to print one month calendar

Output:

Enter a year to print calendar:
2015
Enter the month:
9
Calendar for year: 2015
September

Sun  Mon  Tue  Wed  Thu  Fri  Sat
            1    2    3    4    5
  6    7    8    9   10   11   12
 13   14   15   16   17   18   19
 20   21   22   23   24   25   26
 27   28   29   30  


Implementation: