定义枚举类型加上两个变量

#include <stdio.h> 
int main(voID) { 

  enum Weekday {Monday, Tuesday, Wednesday, Thursday,
                             FrIDay, Saturday, Sunday} today, tomorrow;

  printf("Weekday created\n");

  printf("%d\n",today);
  printf("%d\n",tomorrow);

  return 0;
}