STUNREACH</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">ELOOP</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">EOVERFLOW</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">EUNKNOWNERR</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;<span class="keyword">exception</span>&nbsp;<span class="constructor">Unix_error</span>&nbsp;<span cla