printf("%d,%d\n",*p1,*(++p1));

        char a[]={6,7,8,9,10};
        char * p = a;
        char * p1 = a;

        *(p++) += 123;//*(p++) = *p + 123
        printf("%d\n",*p);
        printf("%d\n",*(++p));

        *(p1++) += 123;
        printf("%d,%d\n",*p1,*(++p1));//运算顺序从右到左

输出结果：
7
8
8,8