se(void);</li>
<li class="new">extern bool executeLock(void);</li>
<li class="new">extern bool executeUnlock(void);</li>
</ol>
</td>
</tr><tr>
<th>openclose.c</th>
</tr><tr>
<td>
<ol>
<li class="old">#include &lt;stdbool.h&gt;</li>
<li class="old">#include &lt;stdio.h&gt;</li>
<li class="old">#include "object.h"</li>
<li class="new"><span class="old">#include </span>"match.h"</li>
<li class="new">#include<span class="old"> "reach.h"</span></li>
<li class="old"></li>
<li class="new">bool executeOpen(void)</l