[fpc-pascal] porting fpIoctl() to windows

[Micha Nelissen]

Alain Michaud wrote:
> In the mean time, I calculate the function number "by hand", knowing the
> device number, function number, IO_RW, etc... Or if I use a precedure do
> do this, then this will slow the program down.

AFAIK, these numbers are mostly constants, so you need to do this work
only once.

Micha