+TAR_EXTERN int f_do_chown; /* --do-chown */
+TAR_EXTERN int f_totals; /* --totals */
+TAR_EXTERN int f_remove_files; /* --remove-files */
+TAR_EXTERN int f_ignore_failed_read; /* --ignore-failed-read */
+TAR_EXTERN int f_checkpoint; /* --checkpoint */
+TAR_EXTERN int f_show_omitted_dirs; /* --show-omitted-dirs */
+TAR_EXTERN char *f_volno_file; /* --volno-file */