int, int, const char *, const char *);
struct ConfItem *find_exact_conf_by_address(const char *address, int type,
const char *username);
+struct ConfItem *find_exact_conf_by_address_filtered(const char *address, int type,
+ const char *username, bool (*filter)(struct ConfItem *));
void add_conf_by_address(const char *, int, const char *, const char *, struct ConfItem *);
void delete_one_address_conf(const char *, struct ConfItem *);
void clear_out_address_conf(enum aconf_category);