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#include/* 定义方法1：只定义枚举类型，不定义变量 enum week { SUN, // SUN = 0 MON, // MON = 1; TUE, WEN, THU, FRI, SAT, }; */ /*定义方法2：同时定义枚举类型和变量 enum week { SUN, // SUN = 0 MON, // MON = 1; TUE, WEN, THU, FRI, SAT, }today; */ /*定义方法3：同时定义枚举类型和变量 enum week { SUN, // SUN = 0 MON, // MON = 1; TUE, WEN, THU, FRI, SAT, }today,yestaday; */ /*定义方法4： typedef enum week { SUN, // SUN = 0 MON, // MON = 1; TUE, WEN, THU, FRI, SAT, }week; */ typedef enum { SUN, // SUN = 0 MON, // MON = 1; TUE, WEN, THU, FRI, SAT, }week; int main(void) { /* 测试定义方法1 enum week today; today = SUN; printf("today is %dth \n",today); */ /*测试定义方法2 3 today = SUN; yestaday = SAT; printf("today is %dth \n",today); printf("yestaday is %dth \n",yestaday); */ /*测试定义方法4 5 week yestaday; yestaday = SAT; printf("yestaday is %dth \n",yestaday); */ return 0; }
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