[TUHS] Ken Thomson's email address?

[Marc Rochkind]

Seems that the subject line of this thread should be changed.

Marc

On Thu, May 8, 2025 at 1:00 PM segaloco via TUHS <tuhs at tuhs.org> wrote:

> On Thursday, May 8th, 2025 at 7:23 AM, Clem Cole <clemc at ccc.com> wrote:
>
> > Thanks, Noel. I should have pointed to that paper also. I have always
> considered the demarcation point when structures were added, but I darned
> if I knew at what date or time Dennis chose to rename it. Clearly, one day
> (night, more likely), he realized it nb was really not B anymore and needed
> a new name.
> > ᐧ
> >
> > On Thu, May 8, 2025 at 10:04 AM Noel Chiappa <jnc at mercury.lcs.mit.edu>
> wrote:
> >
> > > > From: Clem Cole
> > >
> > > > The first "C" compiler wa an ephemeral state some time in the process
> > > > of its evolution. Dennis started with his B implementation and began
> to
> > > > add features he needed
> > >
> > > See:
> > >
> > > The Development of the C Language
> > > https://www.nokia.com/bell-labs/about/dennis-m-ritchie/chist.html
> > >
> > > for detail on the evolution.
> > >
> > > Noel
>
> For the record another source of old C compiler code would be in
> the s1/s2 tapes here:
> https://www.tuhs.org/Archive/Distributions/Research/1972_stuff/
>
> I'm not in a place to dig into them right now but one of the two
> tapes is a V2 root filesystem backup, the C compiler should be
> in a couple stages in /lib.  Granted, its binary, but with
> enough disassembly work and comparison with other sources, it
> may be possible to recreate a compelling facsimile of whatever
> revision that represents.
>
> Otherwise as others have stated, the historic C compiler
> situation has been quite well plundered by this and other
> groups, supplemented of course by Dennis Ritchie's foresight to
> keep and provide so many artifacts and anecdotes.
>
> - Matt G.
>


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