class="keywordtype">int</span> main() 
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043   <span class="comment">//Following code shows how to you File and Page classes</span>
<a name="l00044"></a>00044 
<a name="l00045"></a>00045   <span class="keyword">const</span> std::string&amp; filename = <span class="stringliteral">"test.db"</span>;
<a name="l00046"></a>00046   <span class="comment">// Clean up from any previous runs that crashed.</span>
<a name="l00047"></a>00047   <span class="keywordflow">tr