title: Need a help on truncating
body: <p>Hellow Guys,</p>
  
  <p>I need to give an idea on a simple program.</p>
  
  <p>Write a function which shortens a string to n characters. If the string is already shorter than n, the function should not change the string. Assume the prototype is</p>
  
  <pre><code>void truncate(char *str, int inLen);
  </code></pre>
  
  <p>just give a simple explanation ..</p>
  
  <p>Thanks</p>