node.cc

资深C++讲师授课代码

typedef int T;
struct Node{
	T data;
	Node* next;
};
Node* head=0;

Node* p=new Node;
Node* q = p;
Node*& r=p;

Node*& func(Node*& ptr)
{
	return ptr;
}
#include <iostream>
using namespace std;

int main()
{
	Node* p1=NULL;
	func(p1) = p;
	cout << p1 << endl;
	cout << p << endl;
	delete p; p=NULL;
}