nfo&nbsp;:
&nbsp;&nbsp;&nbsp;&nbsp;string&nbsp;-&gt;
&nbsp;&nbsp;&nbsp;&nbsp;string&nbsp;-&gt;&nbsp;UnixLabels.getaddrinfo_option&nbsp;list&nbsp;-&gt;&nbsp;UnixLabels.addr_info&nbsp;list
&nbsp;&nbsp;type&nbsp;name_info&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;Unix.name_info&nbsp;=&nbsp;{
&nbsp;&nbsp;&nbsp;&nbsp;ni_hostname&nbsp;:&nbsp;string;
&nbsp;&nbsp;&nbsp;&nbsp;ni_service&nbsp;:&nbsp;string;
&nbsp;&nbsp;}
&nbsp;&nbsp;type&nbsp;getnameinfo_option&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;Unix.getnameinfo_option&nbsp;=
&nbsp