//-------------------------------------------------------------------------
//
// cbr.cpp
//
// Written by:    Simon Parsons
// Last modified: 24th November 2007

// A program to illustrate call-by-reference using a reference.

//-------------------------------------------------------------------------
//
// Headers

#include <iostream>
using namespace std;

//-------------------------------------------------------------------------
//
// Function definitions

void myfun( int &a ) {
  a++;
  cout << "inside myfun, a=" << a << endl;
}

//-------------------------------------------------------------------------
//
// main

int main() {
  int a = 7;
  cout << "before calling myfun, a=" << a << endl;
  myfun( a );
  cout << "after calling myfun, a=" << a << endl;
}

// end of main()
//
//-------------------------------------------------------------------------