;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;execvp&nbsp;:&nbsp;prog:string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;args:string&nbsp;array&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;execvpe&nbsp;:&nbsp;prog:string&nbsp;<span class="key