eb43bcee10321f77cd">XMLSize_t</a>&nbsp;</td>
          <td class="paramname"> <em>amount</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Allocate a memory block of the requested size from the managed pool. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>amount</em>&nbsp;</td><td>the size of 