title: What is the use of function pointers?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/2592137/what-is-the-point-of-function-pointers">What is the point of function pointers?</a>  </p>
  </blockquote>
  
  
  
  <p>I am trying to understand where in the practical scenarios function pointers are used.
  and also can anyone please give me a practical example where we have to pass function itself as an argument to another function.</p>