 object is returned. In case of error,
<b><tt>nil</tt></b> is returned, followed by an error message.
</p>

<!-- socket.tcp6 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->

<p class=name id="socket.tcp6">
socket.<b>tcp6()</b>
</p>

<p class=description>
Creates and returns an IPv6 TCP master object. A master object can
be transformed into a server object with the method
<a href=#listen><tt>listen</tt></a> (after a call to <a
href=#bind><tt>bind</tt></a>) or into a client object with
the metho