C++类与对象、友元

#include 
#include 
#include 
using namespace std;
class Student {
public:
	void setStudent(string n,int i,int sc,string s)
	{
	name=n;
	id=i;
	score=sc;
	sex=s;
	}
	friend int showstudent(Student* s);
private:
	string name;
	int id;
	int score;
	string sex;
};
int showstudent(Student* s) {
	cout << s->name << endl;//zhangsan.name
	cout << s->id << endl;
	cout << s->score << endl;
	cout<sex< 
 
实验结果：