lass="paramname"><em>pointer</em>&#160;</td>
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          <td>)</td>
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</div><div class="memdoc">
<p>This function sets the user-defined pointer of the specified monitor. The current value is retained until the monitor is disconnected. The initial value is <code>NULL</code>.</p>
<p>This function may be called from the monitor callback, even for a monitor that is being disconnected.</p>
<dl class="params"><dt>