>&nbsp;name_info&nbsp;=&nbsp;{&nbsp;ni_hostname&nbsp;:&nbsp;string;&nbsp;ni_service&nbsp;:&nbsp;string;&nbsp;}<br>
&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;getnameinfo_option&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">NI_NOFQDN</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">NI_NUMERICHOST</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">NI_NAMEREQD</span><br>
&nbs