_str_undef" class="anchor"></a><code><span class="keyword">val</span> deref_str_undef : <span>(<a href="../IR/Procname/index.html#type-t">IR.Procname.t</a> * <a href="../IBase/Location/index.html#type-t">IBase.Location.t</a>)</span> <span>&#45;&gt;</span> <a href="index.html#type-deref_str">deref_str</a></code></dt><dd><p>dereference strings for an undefined value coming from the given procedure</p></dd></dl><dl><dt class="spec value" id="val-deref_str_dangling"><a href="#val-deref_str_dangling" class="anch