//File intstack.h

#ifndef INTSTACKH
#define INTSTACKH

#include "pmglobs.h"

class node {
   friend class stack;
private:
   int info;
   node* next;
};

class stack {
   private:
      node* top;
   public:
      stack();
      ~stack();
      bool empty() const; 
      void push(int item);
      int pop() ;
      int stacktop() const;
      void display();
};

#endif

//B-15