-extern char sysfs_path[SYSFS_PATH_MAX];
-extern char udev_root[PATH_MAX];
-extern char udev_db_path[PATH_MAX+NAME_MAX];
-extern char udev_config_filename[PATH_MAX+NAME_MAX];
-extern char udev_rules_filename[PATH_MAX+NAME_MAX];
+extern char sysfs_path[PATH_SIZE];
+extern char udev_root[PATH_SIZE];
+extern char udev_db_path[PATH_SIZE];
+extern char udev_config_filename[PATH_SIZE];
+extern char udev_rules_filename[PATH_SIZE];