title: How do I split up a long long integer into 3 char sets?
body: <p>I have a long long integer variable which holds data like <code>20101201</code></p>
  
  <p>I need to split it up as <code>2010</code>, <code>12</code> and <code>01</code>. </p>
  
  <p>Note: I need to do this in C program in my linux machine.</p>