0 and sockaddr == nil when there is nothing to read, and with nread == 0 and sockaddr != nil when an empty UDP packet is received.</p>
</li>
</ul>

&nbsp;&nbsp;<a
href="https://github.com/tulayang/nimnode/tree/master/node/uv/uv_udp.nim#L42"
class="link-seesrc" target="_blank">Source</a>
<a href="https://github.com/tulayang/nimnode/edit/master/node/uv/uv_udp.nim#L42" class="link-seesrc" target="_blank" >Edit</a>

</dd>
<dt id="MemberShip"><a name="MemberShip"></a><pre><span class="Identifier">MemberShip</spa