# ifndef STACKNODE_H
# define STACKNODE_H
# include <iostream.h>
# include <stdlib.h>

template <class Type>
class stack;

template <class Type>
class stacknode
{
public:
	stacknode(Type d=0,stacknode<Type> *next=NULL):data(d),link(next){}
	friend class stack<Type>;  //友元類
private:
	Type data;  //數據
	stacknode<Type> *link;           //指向下一個結點
};
# endif