c_cpp 递升运算子及结构指标运算子

Posted 2021-05-14

#include <stdio.h>
#include <stdlib.h>

typedef struct {
        int i;
} student;

int main()
{
        student *s = malloc(sizeof(student));
        s->i = 0;
        printf("%d\n", s->i);   /* 0 */
        printf("%d\n", s->i++); /* 0 */
        printf("%d\n", ++s->i); /* 2 */
        return 0;
}