129 static ptrdiff_t join_field_2 = -1;  variable
404           idx_t join_field = whatfile == 1 ? join_field_1 : join_field_2;  in check_order()
607                   field = join_field_2;  in prjoin()
633           field = join_field_2;  in prjoin()
646       prfields (line2, join_field_2, autocount_2);  in prjoin()
695                      join_field_1, join_field_2);  in join()
724                       join_field_1, join_field_2));  in join()
737                       join_field_1, join_field_2));  in join()
967           set_join_field (&join_field_2, string_to_join_field (arg));  in add_file_name()
1058           set_join_field (&join_field_2, string_to_join_field (optarg));  in main()
1073               set_join_field (&join_field_2, join_field_1);  in main()
1159         set_join_field (&join_field_2, i);  in main()
1164   if (join_field_2 < 0)  in main()
1165     join_field_2 = 0;  in main()