C++结构体

#include<iostream>
#include<string>
using namespace std;

struct Sw{
string name;
int age;
}sw;

int main()
{
sw.name="a";
sw.age=22;
cout<<"name="<<sw.name<<endl;
cout<<"age="<<sw.age<<endl;
cout<<endl;

Sw xc;
xc.name="b";
xc.age=20;
cout<<"name="<<xc.name<<endl;
cout<<"age="<<xc.age<<endl;
cout<<endl;

Sw *mp;
mp=&xc;
cout<<"name="<<mp->name<<endl;
cout<<"age="<<mp->age<<endl;
}