/****************************************************************************
 *
 *  Enumeration example. Program will return the number of days in a month
 *  I.E. returns 28 for Feburary.
 *
 ****************************************************************************/
main()
{
					/*
					 * Define a list of aliases
					 */
    enum days {Jan=31, Feb=28, Mar=31, 
               Apr=30, May=31, Jun=30, 
               Jul=31, Aug=31, Sep=30, 
               Oct=31, Nov=30, Dec=31};
        /*     A      A
               |      |
               |      |
	       |      -------  list of aliases.
	       --------------  Enumeration tag.	*/
    

    enum days month;		/* define 'month' variable of type 'months' */

    printf("%d\n", month=Feb);	/* Assign integer value via an alias	    
				 * This will return 28 			    */
}