> A "better" term might be the de facto standard one:  Binary
> Compatability Standard.

Actually, that's the term I was trying to remember.  Thankfully, it has been
years since I have held the mc88k BCS document in my hands...

> The big kicker,
> esp. in the workstation and personal computer world, seems to be getting
> all the custom driver ioctl()'s to work.

Brrrr!  Tell me about it.  I got to try to support "standard" (HAH!) ioctl()s
on a system whose native OS wasn't even UNIX...