title: How does one convert ASCII to binary?
body: <p>I have the following string:</p>
  
  <pre><code>char * strIn = "f2";
  </code></pre>
  
  <p>When I look at strIn[0] I would like to get 1111 instead of 'f'.</p>
  
  <p>How do i do it?</p>
  
  <p>Thanks</p>