-extern void init_configuration(splay_tree_t **);
-extern void exit_configuration(splay_tree_t **);
-extern config_t *new_config(void) __attribute__ ((__malloc__));
-extern void free_config(config_t *);
-extern void config_add(splay_tree_t *, config_t *);
-extern config_t *lookup_config(splay_tree_t *, char *);
-extern config_t *lookup_config_next(splay_tree_t *, const config_t *);
-extern bool get_config_bool(const config_t *, bool *);
-extern bool get_config_int(const config_t *, int *);
-extern bool get_config_string(const config_t *, char **);
-extern bool get_config_address(const config_t *, struct addrinfo **);
-extern bool get_config_subnet(const config_t *, struct subnet_t **);
+extern bool config_exists(struct meshlink_handle *mesh, const char *conf_subdir, const char *name) __attribute__((__warn_unused_result__));
+extern bool config_read(struct meshlink_handle *mesh, const char *conf_subdir, const char *name, struct config_t *, void *key) __attribute__((__warn_unused_result__));
+extern bool config_write(struct meshlink_handle *mesh, const char *conf_subdir, const char *name, const struct config_t *, void *key) __attribute__((__warn_unused_result__));
+extern bool config_delete(struct meshlink_handle *mesh, const char *conf_subdir, const char *name) __attribute__((__warn_unused_result__));
+extern bool config_scan_all(struct meshlink_handle *mesh, const char *conf_subdir, const char *conf_type, config_scan_action_t action, void *arg) __attribute__((__warn_unused_result__));