span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00410"></a>00410     <span class="keywordflow">while</span> ( prev != <span class="keyword">this</span> )
<a name="l00411"></a>00411     {
<a name="l00412"></a>00412         <span class="keywordflow">if</span> ( p == prev )
<a name="l00413"></a>00413             <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00414"></a>00414         prev = prev-&gt;m_prev;
<a name="l00415"></a>00415    