<h5>Arguments:</h5>
<p>The '<tt>getresult</tt>' instruction takes a call or invoke value as its
<h5>Arguments:</h5>
<p>The '<tt>getresult</tt>' instruction takes a call or invoke value as its
-first argument. The value must have <a href="#t_struct">structure type</a>.
-The second argument is a constant unsigned index value which must be in range for
-the number of values returned by the call.</p>
+first argument, or an undef value. The value must have <a
+href="#t_struct">structure type</a>. The second argument is a constant
+unsigned index value which must be in range for the number of values returned
+by the call.</p>