t only 
                ## the last one to bind will receive any traffic, in effect &quot;stealing&quot; the port from the previous listener."><wbr />UDPFlag<span class="attachedType" style="visibility:hidden"></span></a></li>
  <li><a class="reference" href="#SendCb"
    title="SendCb = proc (req: ptr UDPSend; status: cint)"><wbr />Send<wbr />Cb<span class="attachedType" style="visibility:hidden"></span></a></li>
  <li><a class="reference" href="#RecvCb"
    title="RecvCb = proc (handle: ptr UDP; nread: cs