// clist.h
// ConcordList class declaration
#ifndef clist_h
#define clist_h

#include <iostream.h>
#include <assert.h>
#include "clistnd.h"

class ConcordList {
public:
   ConcordList();      // constructor
   ~ConcordList();     // destructor
   void insertAtFront(const char*);
   void insertAtBack(const char*);
   int removeFromFront();
   int removeFromBack();
   int isEmpty() const;
   void print() const;
private:
   ConcordNode *firstPtr;  // pointer to first node
   ConcordNode *lastPtr;   // pointer to last node

   // Utility function to allocate a new node
   ConcordNode *getNewNode(const char*);

};

#endif