;gethostbyaddr&nbsp;:&nbsp;<span class="constructor">UnixLabels</span>.inet_addr&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">UnixLabels</span>.host_entry<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;getprotobyname&nbsp;:&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">UnixLabels</span>.protocol_entry<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;getprotobynumber&nbsp;:&nbsp;int&nbsp;<span class="keywordsign">-&gt;</span>&