/*
 * @Author: LYX
 * @Date: 2023-09-14 19:19:15
 * @LastEditTime: 2023-09-24 18:10:14
 * @FilePath: \Test\gd32-f450-smart-car\2.c
 * @Description: 纸上谈来终觉浅 绝知此事要躬行
 * @Team：行胜于言
 * Copyright (c) 2023 by 行胜于言, All Rights Reserved.
 */
#include <stdio.h>

int main(void)
{
    int x = 5;
    int *p = &x;
    *p = 6;
    int **q = &p;
    int ***r = &q;
    printf("%d\n", *p);
    printf("%d\n", *q);
    printf("%d\n", **q);
    printf("%d\n", **r);
    printf("%d\n", ***r);
    ***r = 10;
    printf("x = %d\n", x);
    **q = *p + 2;
    printf("x = %d\n", x);
}