 <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-call_sig"><a href="#val-call_sig" class="anchor"></a><code><span><span class="keyword">val</span> call_sig : <span><a href="../QualifiedProcName/index.html#type-t">QualifiedProcName.t</a> <span class="arrow">&#45;&gt;</span></span> <span>int <span class="arrow">&#45;&gt;</span></span> <span><span><a href="../Lang/index.html#type-t">Lang.t</a> option</span> <span class="arrow">&#45;&gt;</span></s