272 	 * originated:  SUSv2, POSIX, GNU tar, star, etc.  If there's  in main()
278 		case 'a': /* GNU tar */  in main()
281 		case OPTION_ACLS: /* GNU tar */  in main()
286 		case 'B': /* GNU tar */  in main()
310 		case 'C': /* GNU tar */  in main()
320 		case OPTION_CHECK_LINKS: /* GNU tar */  in main()
330 		case OPTION_EXCLUDE: /* GNU tar */  in main()
336 		case OPTION_EXCLUDE_VCS: /* GNU tar */  in main()
350 		case OPTION_FORMAT: /* GNU tar, others */  in main()
368 		case OPTION_GROUP: /* GNU tar */  in main()
413 		case OPTION_HELP: /* GNU tar, others */  in main()
423 		case 'I': /* GNU tar */  in main()
448 		case 'j': /* GNU tar */  in main()
456 		case 'J': /* GNU tar 1.21 and later */  in main()
464 		case 'k': /* GNU tar */  in main()
467 		case OPTION_KEEP_NEWER_FILES: /* GNU tar */  in main()
473 	        case 'l': /* SUSv2 and GNU tar beginning with 1.16 */  in main()
474 			/* GNU tar 1.13  used -l for --one-file-system */  in main()
479 		case OPTION_LZIP: /* GNU tar beginning with 1.23 */  in main()
480 		case OPTION_LZMA: /* GNU tar beginning with 1.20 */  in main()
481 		case OPTION_LZOP: /* GNU tar beginning with 1.21 */  in main()
505 		case 'n': /* GNU tar */  in main()
514 		case OPTION_NEWER_CTIME: /* GNU tar */  in main()
528 		case OPTION_NEWER_MTIME: /* GNU tar */  in main()
550 		case OPTION_NO_ACLS: /* GNU tar */  in main()
572 		case OPTION_NO_SAME_OWNER: /* GNU tar */  in main()
575 		case OPTION_NO_SAME_PERMISSIONS: /* GNU tar */  in main()
582 		case OPTION_NO_XATTRS: /* GNU tar */  in main()
587 		case OPTION_NULL: /* GNU tar */  in main()
590 		case OPTION_NUMERIC_OWNER: /* GNU tar */  in main()
595 		case 'O': /* GNU tar */  in main()
635 		case OPTION_ONE_FILE_SYSTEM: /* GNU tar */  in main()
647 		case OPTION_OWNER: /* GNU tar */  in main()
681 		 * tar anyway.  in main()
687 		case 'P': /* GNU tar */  in main()
691 		case 'p': /* GNU tar, star */  in main()
701 		case OPTION_POSIX: /* GNU tar */  in main()
704 		case 'q': /* FreeBSD GNU tar --fast-read, NetBSD -q */  in main()
714 		case 'S': /* NetBSD pax-as-tar */  in main()
717 		case 's': /* NetBSD pax-as-tar */  in main()
729 		case OPTION_SAME_OWNER: /* GNU tar */  in main()
732 		case OPTION_STRIP_COMPONENTS: /* GNU tar 1.15 */  in main()
742 		case 'T': /* GNU tar */  in main()
749 		case OPTION_TOTALS: /* GNU tar */  in main()
752 		case 'U': /* GNU tar */  in main()
796 		case 'X': /* GNU tar */  in main()
806 		case OPTION_XATTRS: /* GNU tar */  in main()
811 		case 'y': /* FreeBSD version of GNU tar */  in main()
819 		case 'Z': /* GNU tar */  in main()
827 		case 'z': /* GNU tar, star, many others */  in main()
896 			 * In GNU tar, -o means "old format."  The  in main()
1085  * if (tar --help 2>&1 | grep bsdtar >/dev/null 2>&1 ) then \