n>(code)) {
      printf(<span class="stringliteral">"Correct code entered, waiting for 500 ms before unlocking.\n"</span>);

      <span class="comment">/*</span>
<span class="comment">       * Ok, we got the correct code. But to make sure that the code</span>
<span class="comment">       * was not just a fluke of luck by an intruder, but the correct</span>
<span class="comment">       * code entered by a person that knows the correct code, we'll</span>
<span class="comment">       * wait for half a