 = &quot;-m model -v3&quot;;</span>
<a name="l00134"></a>00134   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> open(<span class="keyword">const</span> <span class="keywordtype">char</span>* arg) = 0;
<a name="l00135"></a>00135 
<a name="l00136"></a>00136   <span class="comment">// open model with parameters in argv[].</span>
<a name="l00137"></a>00137   <span class="comment">// e.g, argv[] = {&quot;CRF++&quot;, &quot;-v3&quot;};</span>
<a name="l00138"></a>00138   <span class="k