434 …(flags & FOLLOW) && argv[opt_info.index] && (argv[opt_info.index][0] == '-' || argv[opt_info.index…  in b_tail()
436 				number = argv[opt_info.index][0] == '-' ? 10 : -10;  in b_tail()
438 				opt_info.index++;  in b_tail()
445 			if (opt_info.option[0] == '+')  in b_tail()
450 			if (opt_info.arg == argv[opt_info.index - 1])  in b_tail()
452 				strtol(opt_info.arg, &s, 10);  in b_tail()
455 					opt_info.index--;  in b_tail()
460 			else if (opt_info.arg && isalpha(*opt_info.arg))  in b_tail()
462 				t = opt_info.arg;  in b_tail()
468 			if (s = opt_info.arg)  in b_tail()
485 			if (opt_info.option[0]=='+')  in b_tail()
492 			if (opt_info.num)  in b_tail()
499 			if (opt_info.option[0] == '+')  in b_tail()
516 			timeout = strelapsed(opt_info.arg, &s, 1);  in b_tail()
518 				error(ERROR_exit(1), "%s: invalid elapsed time [%s]", opt_info.arg, s);  in b_tail()
525 			if (!(r = argv[opt_info.index]) || !opt_info.offset)  in b_tail()
527 				error(2, "%s", opt_info.arg);  in b_tail()
530 			s = r + opt_info.offset - 1;  in b_tail()
538 			if (opt_info.option[0] == '+')  in b_tail()
547 						opt_info.offset = t - r - 1;  in b_tail()
564 						opt_info.offset = strlen(r);  in b_tail()
571 			error(ERROR_usage(2), "%s", opt_info.arg);  in b_tail()
576 	argv += opt_info.index;  in b_tail()