n.</span>

<span class="identifier">stream</span><span class="special">.</span><span class="identifier">expires_never</span><span class="special">();</span>
</pre>
<p>
        A server will use an acceptor bound to a particular IP address and port to
        listen to and receive incoming connection requests. The acceptor returns
        an ordinary socket. A <code class="computeroutput"><span class="identifier">tcp_stream</span></code>
        can be move-constructed from the underlying <code class="comput