#include <stdio.h>

void change(char **p)
{
    printf("change %s, p = %p\n", *p, p);
    *p = "jack"; // p 的 char * 指针可以理解为是一个字符串的常量
    printf("change %s, p = %p\n", *p, p);
    *p = "D";
    printf("change %s, p = %p\n", *p, p);
}

int main()
{
    char *name = "disen";
    change(&name);
    printf("name = %s, name 地址 = %p\n", name, &name);

    return 0;
}