C Tutorial/Data Type/enum
Using an enumeration type
#include <stdio.h>
enum months {
JAN = 1, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV, DEC };
int main()
{
enum months month;
const char *monthName[] = { "", "January", "February", "March",
"April", "May", "June", "July", "August", "September", "October",
"November", "December" };
for ( month = JAN; month <= DEC; month++ ) {
printf( "%2d%11s\n", month, monthName[ month ] );
}
return 0;
}1 January 2 February 3 March 4 April 5 May 6 June 7 July 8 August 9 September 10 October 11 November 12 December
