ome will return false using any of these predicates. Therefore, for
portability, you should use <code>POINTER-EQ</code>.

<h4 class="subheading">Examples</h4>

<p>This is an example using <acronym>SBCL</acronym>, see the
implementation-specific notes above.

<pre class="lisp">  CFFI&gt; <span class="paren1">(<span class="lisp-bg">eql <span class="paren2">(<span class="lisp-bg">null-pointer</span>)</span> <span class="paren2">(<span class="lisp-bg">null-pointer</span>)</span></span>)</span>
  =&gt; NIL
  CFF