C语言——enum

#include<stdio.h>

enum Season

{

    spring, summer=100, fall=96, winter

};

typedef enum

{

    Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday

}Weekday;

int main(void)

{

    char * files[] = {"f","b","d","g"};

    printf("sizeof files = %d\n",sizeof(files));

    printf("sizeof int = %d\n",sizeof(int));

    char *p = NULL;

    printf("sizeof p = %d\n",sizeof(p));

    /* Season */

    printf("%d \n", spring); // 0

    printf("%d, %c \n", summer, summer); // 100, d

    printf("%d \n", fall+winter); // 193

    enum Season mySeason=winter;

    if(winter==mySeason)

        printf("mySeason is winter \n"); // mySeason is winter

    int x=100;

    if(x == summer)

        printf("x is equal to summer\n"); // x is equal to summer

    printf("%d bytes\n", sizeof(spring)); // 4 bytes

    /* Weekday */

    printf("sizeof Weekday is: %d \n", sizeof(Weekday)); //sizeof Weekday is: 4

    Weekday today = Saturday;

    Weekday tomorrow;

    if(today == Monday)

        tomorrow = Tuesday;

    else

        tomorrow = (Weekday) (today + 1); //remember to convert from int to Weekday

    return 0;

}

sizeof files = 16

sizeof int = 4

sizeof p = 4

0

100, d

193

mySeason is winter

x is equal to summer

4 bytes

sizeof Weekday is: 4

Terminated with return code 0

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