span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">const_node_ptr</span> <span class="special">&amp;</span> header<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">KeyType</span> <span class="special">&amp;</span> key<span class="special">,</span> 
              <span class="identifier">KeyNodePtrCompare</span> comp<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</str