       ,@body</span>)</span></span>)</span></span>)</span>
</pre>
   <p class="noindent">So let's look at the macro expansion:

<pre class="lisp">  CFFI&gt; <span class="paren1">(<span class="lisp-bg">macroexpand-1 '<span class="paren2">(<span class="lisp-bg"><i><span class="symbol">defcfun</span></i> foo my-string <span class="paren3">(<span class="lisp-bg">x my-string</span>)</span></span>)</span></span>)</span>
  <span class="comment">;; (simplified, downcased, etc...)
  </span><span class="paren1">(<spa