#ifndef LINKNODE_H
#define LINKNODE_H

#include <stdlib.h>
using namespace std;

template <class T> DList;

template <class T>
class LinkNode {
public:
    LinkNode() { value = 0; next = NULL; prev = NULL; }
    LinkNode(T *initVal) { value = initVal; next = NULL ; prev = NULL; }
    ~LinkNode();
private:
    LinkNode<T> *next;
    LinkNode<T> *prev;
    T *value;
    friend class DList<T>;
};

#endif