///daughterstruct.hpp


struct DAUGHTER
{

	int** p_pa;

	int** p_pb;

	DAUGHTER(){}


	DAUGHTER::DAUGHTER(int** a, int** b)
	{
		p_pa=a;
		p_pb=b;
	}


};






//motherstruct.hpp

#include"daughterstruct.hpp"

struct MOTHER
{

	int* p_a;
	int* p_b;

	int num1;
	int num2;
	int num3;
	int num4;

	DAUGHTER daught;

	MOTHER()
	{
		daught=DAUGHTER(&p_a, &p_b);

		p_a= &num1;
		p_b= &num2;

		num1= 22, num2= 0, num3= 65, num4= 100;
	}

	~MOTHER()
	{
		p_a= NULL;
		p_b= NULL;
	}

	void swap()
	{
		p_a= &num3; p_b= &num4;
	}

};




//main.cpp

#include<iostream>

using namespace std;
#include"motherstruct.hpp"

void main()
{
	MOTHER mom;

	//what I'm doing

	cout<<mom.num1<<endl;
	cout<<*mom.p_a<<endl;
	cout<<**mom.daught.p_pa<<endl;

	//swap

	mom.swap();    //mom.p_a is pointing to mom.num3, and   mom.daught.p_pa is pointing to mom.p_a
				   //this would be easier if I just had a reference to mom.p_a in the daughter class!

	cout<<mom.num3<<endl;
	cout<<*mom.p_a<<endl;
	cout<<**mom.daught.p_pa<<endl;

	///




	//what I'm tryng to do
	/*

	cout<<mom.num1<<endl;
	cout<<*mom.p_a<<endl;
	cout<<*mom.daught.p_pa<<endl;  //mom.daught.p_pa is a reference to mom.daught.p_a

	//swap

	mom.swap();

	cout<<mom.num1<<endl;
	cout<<*mom.p_a<<endl;
	cout<<*mom.daught.p_pa<<endl;


	*/



}