//
// new.cpp -- shows how to use the "new" operator to allocate new variables
// The "new" operator allocates new space and returns a pointer
// to that space.  The space is reserved until it is "delete"-ed
//

#include <iostream>

using namespace std;

int main()
{
	int  *p, *q;             // define vars to hold the addrs
	int **z;                 // this one points to a ptr

	p = new int;             // create the new space
	q = new int;             // and store the addrs of those vars

	z = &p;                  // store the address of a ptr

	*p = 3;                  // use the ptrs to update the vars
	*q = 4;                  // use the ptrs to update the vars

	cout << **z << endl;     // use the ptr to ptr to get vals

	delete p;                // return the variables so they
	delete q;                // can be used for something else

	return 0;
}