sp;<span class="constructor">Unix</span>.flow_action&nbsp;=&nbsp;<span class="constructor">TCOOFF</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">TCOON</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">TCIOFF</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">TCION</span><br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;tcflow&nbsp;:&nbsp;<span class="constructor">UnixLabels</span>.file_descr&nbsp;<span class="keywords