hello.h

#ifndef hello_H
#define hello_H

typedef int el_t ;

// list node is defined here as a struct Node
struct Node
{
  el_t Elem;   // elem is the element stored
  Node   *Next;  // next is the pointer to the next node
};

// I could have done class Node and add the data members under public
// but it will use too much space


class hello
{

 protected:

  Node *Front;       // front  pointer
  Node *Rear;        // rear   pointer
  int  Count;        // counter for the number of elements


 public:

  hello();
  ~hello();

  class Underflow{};
  class OutOfRange{};

  bool isEmpty();

  void displayAll();

  void addRear(el_t NewNum);

  void deleteFront(el_t& OldNum);

  void addFront(el_t NewNum);

  void deleteRear(el_t& OldNum);

  void deleteIth(int I, el_t& OldNum);

  void addbeforeIth(int I, el_t newNum);
                       // constructor
                         // destructor
};

#endif