// mem.cpp - memory demo for cs32
// cmc, 11/20/2017

#include <iostream>
using namespace std;

int global; // object stored in the global data space

int main() // main function's code stored too
{
// when main executes, it's data are stored on the stack

    int local; // local object
    int *heap = new int;  // local pointer to heap object

    // print address of start of main function code
    int *start = (int *)&main;
    cout << "main @ " <<  start << endl;

    // print addresses of other objects (and differences
    // from the start of main)
    cout << "global @ " << &global
         << " (" <<  &global - start << " from main)\n";
    cout << "heap @ " << heap
         << " (" << heap - start << " from main)\n";
    cout << "local @ " << &local
         << " (" << &local - start << " from main)\n";

    return 0;
}