1031             if (xstrtol (optarg, nullptr, 10, &val, "") != LONGINT_OK  in main()
1034                      _("invalid field number: %s"), quote (optarg));  in main()
1043           if (empty_filler && ! STREQ (empty_filler, optarg))  in main()
1046           empty_filler = optarg;  in main()
1054           set_join_field (&join_field_1, string_to_join_field (optarg));  in main()
1058           set_join_field (&join_field_2, string_to_join_field (optarg));  in main()
1062           if ((optarg[0] == '1' || optarg[0] == '2') && !optarg[1]  in main()
1063               && optarg == argv[optind - 1] + 2)  in main()
1066               bool is_j2 = (optarg[0] == '2');  in main()
1072               set_join_field (&join_field_1, string_to_join_field (optarg));  in main()
1078           if (STREQ (optarg, "auto"))  in main()
1082               add_field_list (optarg);  in main()
1089             unsigned char newtab = optarg[0];  in main()
1092             else if (optarg[1])  in main()
1094                 if (STREQ (optarg, "\\0"))  in main()
1098                          quote (optarg));  in main()
1119           add_file_name (optarg, g_names, operand_status, joption_count,  in main()