cr&nbsp;<span class="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;buf:bytes&nbsp;<span class="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;pos:int&nbsp;<span class="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;len:int&nbsp;<span class="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;mode:<span class="constructor">UnixLabels</span>.msg_flag&nbsp;list&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;addr:<span class="constructor">UnixLabels</span>.sockaddr&nbsp;<span class="ke