C语言自增前缀后缀实例

/* post_pre.c -- postfix vs prefix */
#include <stdio.h>
int main(void)
{
    int a = 1, b = 1;
    int a_post, pre_b;

    a_post = a++;  // value of a++ during assignment phase
    pre_b = ++b;   // value of ++b during assignment phase
    printf("a  a_post   b   pre_b \n");
    printf("%1d %5d %5d %5d\n", a, a_post, b, pre_b);

    return 0;
}