/*
* Window creation, opening, closing and destruction.
+ * Also CallBack clearing/initialization.
* Defined in freeglut_structure.c, freeglut_window.c.
*/
SFG_Window* fgCreateWindow( SFG_Window* parent, const char* title,
GLboolean needToClose ) ;
void fgCloseWindows ();
void fgDestroyWindow( SFG_Window* window, GLboolean needToClose );
+void fgClearCallBacks( SFG_Window *window );
/*
* Menu creation and destruction. Defined in freeglut_structure.c