#ifndef _RBHELPER_
#define _RBHELPER_

#include <iostream>
#include <string>
#include <cstdlib>
#include "RBTreeNode.h"
using namespace std;

class RBTreeNode;

bool getcolor (RBTreeNode *n);
RBTreeNode * getsibling (RBTreeNode *n, RBTreeNode *p);
void DelProcess (RBTreeNode *x, RBTreeNode *p);

#endif