枚举的用法

#include<stdio.h>enum COLOR{RED,YELLOW,GREEN,NumCOLORS};int main(){int color=-1;char *ColorNames[NumCOLORS]={"red","yellow","green"};char *colorName=NULL;printf("输入你喜欢的颜色的代码：");scanf("%d",&color);if(color>=0&&color<NumCOLORS) {colorName=ColorNames[color];}elsecolorName="unknown";printf("你喜欢的颜色是%s\n",colorName);return 0;}