int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi);
int get_afsi_of_path(const char *path, struct afs_info *afsi);
int get_audio_file_path_of_row(const struct osl_row *row, char **path);
-int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj);
int audio_file_loop(void *private_data, osl_rbtree_loop_func *func);
void aft_check_callback(int fd, __a_unused const struct osl_object *query);