Bill Currie wrote:

Actually, I meant there's no problem changing the name. That's the advantage of a function call: the RTS implementation gets hidden properly.

It might be an advantage, but since InOutRes is documented in BP, it should be the same in GPC. Therefore, I see no problem making inline code to check InOutRes. -- Frank Heckenbach, Erlangen, Germany fjf@gmx.de http://home.pages.de/~fjf/links.htm