0, RB_FAIL, RB_OVERFLOW, RB_ILLEGAL,
} rabbits;
</pre>
</div>

<p>
<code>RB_SUCCESS</code> indicates no error. <code>RB_FAIL</code> indicates a generic
failure. <code>RB_OVERFLOW</code> indicates a stack overflow. <code>RB_ILLEGAL</code> indicates an
illegal instruction.
</p>

<div id="outline-container-sec-1" class="outline-2">
<h2 id="sec-1">Emulator structure</h2>
<div class="outline-text-2" id="text-1">
<div class="org-src-container">

<pre class="src src-c">#include &lt;stdio.h&gt;
#include &lt;inttype