reddit

“
I normally do not read comp.lang.c, but Jim McKie told me
that ``Duff's device'' had come up in comp.lang.c again.  I
have lost the version that was sent to netnews in May 1984,
but I have reproduced below the note in which I originally
proposed the device.  (If anybody has a copy of the netnews
version, I would gratefully receive a copy at research!td or
td@research.att.com.)
” source...