title: Pass by reference vs pass by pointer?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/3613065/when-to-pass-by-reference-and-when-to-pass-by-pointer-in-c">When to pass by reference and when to pass by pointer in C++?</a>  </p>
  </blockquote>
  
  
  
  <p>What is the difference between passing by reference and passing the value by a pointer?</p>