class="keywordtype">char</span> *str, <span class="keywordtype">size_t</span> size1,
<a name="l00335"></a>00335                             <span class="keywordtype">char</span> *result, <span class="keywordtype">size_t</span> size2) = 0;
<a name="l00336"></a>00336 <span class="preprocessor">#endif</span>
<a name="l00337"></a>00337 <span class="preprocessor"></span>  <span class="comment">// return internal error code as string</span>
<a name="l00338"></a>00338   <span class="keyword">virtual</span> <span c