title: function opposite to atoi()?
body: <p>I would like to convert an integer to a string like:</p>
  
  <pre><code>int a = 12345
  </code></pre>
  
  <p>coverts to</p>
  
  <pre><code>char b[6] = "12345"
  </code></pre>
  
  <p>basically the opposite of the atoi function that converts a string to an integer.</p>