#include <string>

class Concept
{
	public:
		Concept();
		
		//Copy contructor
		Concept(const Concept& c);
	
		 ~Concept();

                 ...
		
	private:
		char *name;
		char *explaination;
                ....
};

#include "Concept.h"

//////////////////////////////////////////////////
#include <iostream>
using std::cout;
//////////////////////////////////////////////////

//Contructor, called at initation
Concept::Concept()
{
	//all empty
	name = NULL;
	explaination = NULL;
	page=0;
	
	nameSet = false;
	explainationSet = false;
}

//Copy contructor
Concept::Concept(const Concept& c)
{
	//copy name
	name = new char[strlen(c.name) + 1];
	strcpy(name, c.name);
	
	//copy explaination
	explaination = new char[strlen(c.explaination) + 1];
	strcpy(explaination, c.explaination);
	
	//copy page reference
	page = c.page;
	
	nameSet = true;
	explainationSet = true;
}

#include "Concept.h"
using std::ostream;

typedef Concept ListItemType;

class Node
{
	public:
		//Contructor, called at initation
		Node();
		
		//Destructor, called at finalisation
		~Node();
	
		//Sets the item for Node
		void setItem(ListItemType anItem);
		
		
		//Gets the item of Node
		ListItemType getItem();
		
		...
 
	private:
		ListItemType item;
		Node* pNext;
};

#include "Node.h"
#include <iostream>
using std::cout;

//Contructor, called at initation
Node::Node()
{
   pNext = NULL;
}

//Destructor, called at finalisation
/Node::~Node()
{
	//remove allocated memory
	
}

//Set the item for Node
void Node::setItem(ListItemType anItem)
{
	item = ListItemType(anItem);
}

//Gets the item of Node
ListItemType Node::getItem()
{
	return ListItemType(item);
}

...