DECLARE_SCHEME_CALLBACK (y_extent, (SCM smob, SCM axis));
DECLARE_SCHEME_CALLBACK (force_hara_kiri_in_parent_callback, (SCM ,SCM));
static void add_element (Grob *me, Grob *e);
- static void set_interface (Grob*me);
static bool has_interface (Grob*);
static void consider_suicide (Grob*me);
static void add_interesting_item (Grob * me , Grob* n);