# include & lt; stdio.h>/*,,,定义方法1:只定义枚举类型,不定义变量 enum 周 { ,,,,,,,,,,,,//,SUN =0 ,,,我,,,,,,,,,//,MON =, 1; ,,,星期二, ,,,, ,,,星期四, ,,,星期五, ,,,坐, }; *//*定义方法2:同时定义枚举类型和变量 enum 周 { ,,,,,,,,,,,,//,SUN =0 ,,,我,,,,,,,,,//,MON =, 1; ,,,星期二, ,,,, ,,,星期四, ,,,星期五, ,,,坐, 今天的}; *//*定义方法3:同时定义枚举类型和变量 enum 周 { ,,,,,,,,,,,,//,SUN =0 ,,,我,,,,,,,,,//,MON =, 1; ,,,星期二, ,,,, ,,,星期四, ,,,星期五, ,,,坐, 今天,yestaday}; *//*定义方法4: typedef enum 一周 { ,,,,,,,,,,,,//,SUN =0 ,,,我,,,,,,,,,//,MON =, 1; ,,,星期二, ,,,, ,,,星期四, ,,,星期五, ,,,坐, 周}; */typedef enum { ,,,,,,,,,,,,//,SUN =0 ,,,我,,,,,,,,,//,MON =, 1; ,,,星期二, ,,,, ,,,星期四, ,,,星期五, ,,,坐, 周}; int 主要(空白) {/*,,测试定义方法1 ,,,enum week 今天; ,,,today =,太阳; ,,,printf (" today is % dth \ n”,今天); *//*测试定义方法2,3, ,,,today =,太阳; ,,,yestaday =,坐; ,,,printf (" today is % dth \ n”,今天); ,,,printf (" yestaday is % dth \ n”, yestaday); *//*测试定义方法4,,5 ,,,week yestaday; ,,,yestaday =,坐; ,,,printf (" yestaday is % dth \ n”, yestaday); */,,,return 0; }