#ifndef DNODE_H
#define DNODE_H

// class definition for a doubly linked node
class DNode
{
    public:
        int data;
        DNode * next;
        DNode * prev;
        DNode( int d = 0, DNode * n = NULL, DNode * p = NULL )
        {
            data = d;
            next = n;
            prev = p;
        }
};

#endif