<p>they don't work as intended, see debug.h:</p>

<div class="highlight"><pre><span class="cp">#ifndef DEBUG_H_</span>
<span class="cp">#define DEBUG_H_</span>

<span class="cp">#include <stdio.h></span>

<span class="cp">#ifdef ENABLE_DEBUG</span>
<span class="cp">#define DEBUG(...) printf(__VA_ARGS__)</span>
<span class="cp">#else</span>
<span class="cp">#define DEBUG(...)</span>
<span class="cp">#endif</span>

<span class="cp">#endif </span><span class="cm">/* DEGUG_H_ */</span><span class="cp"></span>
</pre></div>

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