#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

typedef struct stu{
    string name;
    int age;
    int score;
}s, *link;
int main(){
    s zhangsan;
    link p;
    p=&zhangsan;
    p->name="zhangsan";
    p->age=18;
    cout << p->name << endl;
    cout << (*p).name << endl;
    cout << zhangsan.name;
    return 0;
}