#include <stdio.h>

// tipo "Cor"
typedef enum { BLACK, BLUE, GREEN, RED, YELLOW, WHITE } Color_t ;

// nome das cores
char *color_name[] = {"black", "blue", "green", "red", "yellow", "white" } ;

int main () 
{
  Color_t c1;

  // ...
  c1 = BLUE ;

  printf ("Cor %s\n", color_name[c1]) ;
}