"paren4">(<span class="lisp-bg">free-translated-object <span class="keyword">#:G2019</span> #&lt;MY-STRING-TYPE {11ED51A79}&gt;
                                <span class="keyword">#:PARAM3149</span></span>)</span></span>)</span></span>)</span></span>)</span>
</pre>
   <p class="noindent">In order to get rid of those generic function calls, <acronym>CFFI</acronym> has
another set of extensible generic functions that provide functionality
similar to <acronym>CL</acronym>'s compiler macros:
<code>expand-to-f