+extern char sysfs_path[SYSFS_PATH_MAX];
+extern char udev_root[PATH_MAX];
+extern char udev_db_filename[PATH_MAX+NAME_MAX];
+extern char udev_permissions_filename[PATH_MAX+NAME_MAX];
+extern char udev_config_filename[PATH_MAX+NAME_MAX];
+extern char udev_rules_filename[PATH_MAX+NAME_MAX];
+extern char default_mode_str[NAME_MAX];