c語言中指向整型指針的指針的理解

/*************************************************************************
    > File Name: ptr_ptr_int.c
    > Author: Mr.Yang
    > Purpose:演示指向整型的指針的指針 
    > Created Time: 2017年06月03日 星期六 18時34分58秒
 ************************************************************************/

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

int main(void)
{
        int s[] = {1,2,3,4};
        int *p = s;
        int **point = &p;

        printf("s = %d\n",s);
        printf("s[0] = %d\n",s[0]);
        printf("p = %d\n",p);
        printf("*p = %d\n",*p);
        printf("*point = %d\n",*point);
        printf("**point = %d\n",**point);

        return 0;
}

執行結果：

s = 16519008
s[0] = 1
p = 16519008
*p = 1
*point = 16519008
**point = 1

由結果可知，**point = *p = s[0]    *point = p = s