Enumeration (C)

#include<stdio.h>int main(){  enum season {spring, summer, autumn, winter} s;  for(s = spring; s <= winter; s++)  {    printf("s is %d\n",s); //Enumeration element is regarded as interger constant.  }  return 0;}

Output:

s is 0
s is 1
s is 2
s is 3