+extern int udev_add_device(char *path, char *subsystem);
+extern int udev_remove_device(char *path, char *subsystem);
+extern void udev_init_config(void);
+
+extern char **main_argv;
+extern char **main_envp;
+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];