extern	point	*closest ();
extern	point	*find_point ();
extern	point	*first_end_point ();
extern	point	*getxy ();
extern	point	*insertp ();
extern	void	add_to_graph ();
extern	void	change_clists ();
extern	void	clear_fep ();
extern	int	coincident ();
extern	void	collapse ();
extern	void	deleteall ();
extern  void    deleteallinavr ();
extern	void	drag ();
extern	void	ds_init ();
extern	int	fep_selected ();
extern	int	getbucket ();
extern	int	getname ();
extern	int	in_clist ();
extern	void	insertc ();
extern	void	line ();
extern	void	merge_clists ();
extern	void	move_down ();
extern	void	move_up ();
extern	int	name_exists ();
extern	void	pnt ();
extern	void	release_name ();
extern	void	remove_point ();
extern	void	transform ();

#define TRUE	1
#define FALSE	0