c12指针引用.cpp

#include <iostream>

using namespace std;

struct students12
{
    int age;
};

int main()
{
    students12 stu;
    students12* p = &stu;   // 结构体指针
    students12* &pp = p;    // 结构体指针起别名

     pp->age = 20;
    // (*pp).age = 22;
    cout << "age: " << p->age << endl;
    cout << "age: " << pp->age << endl;
    return 0;
}