_t index)</td></tr>
<tr class="memdesc:afc0b773a0beaa5aa671c511497c86371"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the serial number of the device at the specified index.  <br /></td></tr>
<tr class="separator:afc0b773a0beaa5aa671c511497c86371"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9ec53640c44e7ccd84050319442e707e"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class