e for stack variables</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-add_unknown_from"><a href="#val-add_unknown_from" class="anchor"></a><code><span><span class="keyword">val</span> add_unknown_from : 
  <span><span>(<a href="../../../IR/Ident/index.html#type-t">IR.Ident.t</a> * <a href="../../../IR/Typ/index.html#type-t">IR.Typ.t</a>)</span> <span class="arrow">&#45;&gt;</span></span>
  <span><span class="label">callee_pname</span>:<a href="../../../IR/Procname/index.html#t