wordsign">-&gt;</span>&nbsp;args:string&nbsp;array&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;env:string&nbsp;array&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;fork&nbsp;:&nbsp;unit&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;wait&nbsp;:&nbsp;unit&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nbsp;*&nbsp;<span class="constructor">UnixLabel