39 struct irs_gr {  struct
41 	void		(*close) __P((struct irs_gr *));  argument
42 	struct group *	(*next) __P((struct irs_gr *));  argument
43 	struct group *	(*byname) __P((struct irs_gr *, const char *));  argument
44 	struct group *	(*bygid) __P((struct irs_gr *, gid_t));  argument
45 	int		(*list) __P((struct irs_gr *, const char *,  argument
47 	void		(*rewind) __P((struct irs_gr *));  argument
48 	void		(*minimize) __P((struct irs_gr *));  argument
49 	struct __res_state * (*res_get) __P((struct irs_gr *));  argument
50 	void		(*res_set) __P((struct irs_gr *, res_state,  argument
169 	struct irs_gr *	(*gr_map) __P((struct irs_acc *));