_t int)</code> as the type:
</p>

<pre class="indented">
(void set_graph_style ((graph_style_t int)))
</pre>

<p>If the C entity is a constant, then the descriptor list has just two entries,
the C-type and the entity name: <code>(int F_OK)</code> for example. The entity name can also be a list:
</p>

<pre class="indented">
((graph_style_t int) (GRAPH_LINES GRAPH_DOTS GRAPH_FILLED GRAPH_DOTS_AND_LINES GRAPH_LOLLIPOPS))
</pre>

<p>This defines all the names in the list as integers.
If the C type has a space (