a></code>, <code><a
href="refM.html#memq">memq</a></code>, <code><a
href="refM.html#mmeq">mmeq</a></code> and <a href="ref.html#cmp">Comparing</a>.

<pre>
: (asoq 'a '((999 1 2 3) (b . 7) ("ok" "Hello")))
-> NIL
: (asoq 'b '((999 1 2 3) (b . 7) ("ok" "Hello")))
-> (b . 7)
</pre></dd>

<dt><a id="assert"><code>(assert exe ..) -> prg | NIL</code></a></dt>
<dd>When in debug mode (<code><a href="refD.html#*Dbg">*Dbg</a></code> is
non-<code>NIL</code>), <code>assert</code> returns a <code>prg</code> list which
t