+extern int preserve_uid;
+extern int preserve_gid;
+extern int preserve_acls;
+extern int preserve_hard_links;
+extern int need_messages_from_generator;
+extern int delete_mode, delete_before, delete_during, delete_after;
+extern int delete_excluded;
+extern int make_backups;
+extern char *backup_dir, *backup_suffix;
+extern char *partial_dir;