index</em></span>&#160;)</td>
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<span class="mlabels"><span class="mlabel extern">extern</span></span>  </td>
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<p>Returns the integer value of a specific property when it's not the only instance. The property given must be a numeric type. </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">props</td><td>pointer to the property list. </td></tr>
    <tr><