>val</span> stdin</span> : <code class="type"><a href="Pervasives.html#TYPEin_channel">in_channel</a></code></pre><div class="info ">
The standard input for the process.<br>
</div>

<pre><span id="VALstdout"><span class="keyword">val</span> stdout</span> : <code class="type"><a href="Pervasives.html#TYPEout_channel">out_channel</a></code></pre><div class="info ">
The standard output for the process.<br>
</div>

<pre><span id="VALstderr"><span class="keyword">val</span> stderr</span> : <code class="type"><a 