<lib>_foo_bar.c
<lib>_foo_bar_baz.c
<prefix>_bar.c and <prefix>_bif.c
hello_bar.c and there_bif.c

var this__is_a_variable__ = "";

__this is not__

---

<p>&lt;lib&gt;_foo_bar.c<br>
&lt;lib&gt;_foo_bar_baz.c<br>
&lt;prefix&gt;_bar.c and &lt;prefix&gt;_bif.c<br>
hello_bar.c and there_bif.c</p>

<p>var this__is_a_variable__ = &quot;&quot;;</p>

<p><strong>this is not</strong></p>
