     the resolved endpoints will use the loopback address.
                </p></dd>
<dt><span class="term">service</span></dt>
<dd><p>
                  A string identifying the requested service. This may be a descriptive
                  name or a numeric string corresponding to a port number. May be
                  an empty string, in which case all resolved endpoints will have
                  a port number of 0.
                </p></dd>
<dt><span class="term">resolve_flags</span></dt>
<dd><p>
   