#include <stdio.h>
/* 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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