typedef struct lui_genedge
{
	int		id, root;
	char	*yield;
	lui_list	*ep_list;
}	lui_genedge;

typedef struct lui_genchart
{
	int	id;
	int					neps;
	char				**eps;
	int					nedges;
	struct lui_genedge	**edges;
}	lui_genchart;

lui_genchart	*build_genchart(int	id, int	neps, char	**eps, int	nedges, struct lui_genedge	**edges);