eername</tt></a>, or <a
href="#setsockname"><tt>sockname</tt></a>, depending on the address
family obtained from the resolver.
</p>

<p class="note">
Note: Before the choice between IPv4 and IPv6 happens,
the internal socket object is invalid and therefore <a
href="#setoption"><tt>setoption</tt></a> will fail.
</p>

<!-- socket.udp4 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->

<p class="name" id="socket.udp4">
socket.<b>udp4()</b>
</p>

<p class="description">
Creates and returns an unconne