+ SCM
+ irr_gui_getBuiltInFont (SCM wrapped_gui_environment);
+
+ SCM
+ irr_gui_getSkin (SCM wrapped_gui_environment);
+
+ SCM
+ irr_gui_IGUIEnvironment_addButton (SCM wrapped_gui_environment,
+ SCM rectangle,
+ SCM rest);
+
+ SCM
+ irr_gui_IGUIEnvironment_getFont (SCM wrapped_gui_environment,
+ SCM filename);
+
+ }