text: #ifndef BSTTREE_H
  #define BSTTREE_H
  
  #include <stdlib.h>
  #include <stdio.h>
  
  #include "BSTNode.h"
  
  class BSTTree {
  	BSTNode *root;
  	
  	public:
  		BSTTree();
  		bool deleteElement(int );
  		bool deleteElementh(int ,BSTNode *);
  		int deleteSuccessor(BSTNode *);
  		int deleteSuccessorh(BSTNode *);
  		
  		bool lookupElement(int );
  		void printTree(void );	
  		bool insertElement(int );
  		bool insertElementh(int ,BSTNode *);
  };
  #endif
  