-bg">a <span class="keyword">:double</span></span>)</span>
    <span class="paren2">(<span class="lisp-bg">c <span class="keyword">:char</span></span>)</span></span>)</span>
   
  CFFI&gt; <span class="paren1">(<span class="lisp-bg">foreign-type-size <span class="keyword">:double</span></span>)</span>
  =&gt; 8
  CFFI&gt; <span class="paren1">(<span class="lisp-bg">foreign-type-size <span class="keyword">:char</span></span>)</span>
  =&gt; 1
  CFFI&gt; <span class="paren1">(<span class="lisp-bg">foreign-typ