typedef struct	lkb_tree
{
	char			*root_name;
	int				id, edge_id;
	char			*rule_id;
	char			*sublabel_id;
	int				ndaughters;
	struct lkb_tree	*daughters;

	int		rx, ry, left, right, height;
	int		label_width, sl_width;
	int		*refcnt;
}	lkb_tree;

int			parse_tree(char	**INPUT, int	*TYPE, void	**DATA);
void		free_lkb_tree(lkb_tree	*t);