Relative efficiency of external interfacing methods

[Torbjorn Tornkvist]

> I've been considering trying this, because I think it would be 
> interesting.  Are there any good examples?  (There's probably at least 
> one in the documentation, but I haven't come across it yet :)

There is a very simple example in the User Contrib area named: byteorder-1.0
Also: check out the device driver Appendix in the book.

/Tobbe