Woohoo! I actually got it working :). Thanks for the assist. The 2bsd 
version includes a retrofit.h file for it to work on v6. I removed the 
include and it compiled and linked just fine.

Will

On 11/8/17 4:00 PM, Clem Cole wrote:
> fout and flush -- Looks like the V6 version of cr3 - which is using 
> the portable C library which was done before the standard C library.
> I bet if you grab the one from 2BSD that should have been updated to V7
>
> On Wed, Nov 8, 2017 at 9:18 PM, Will Senn <will.senn at gmail.com 
> <mailto:will.senn at gmail.com>> wrote:
>
>     On 11/8/17 1:22 PM, Random832 wrote:
>
>         Some of these are for V7 or V6 contemporary PDP-11 Unixes, and
>         most of
>         them are far simpler than more so you should have little
>         difficulty
>         getting them working anyway.
>
>         Links:
>         http://minnie.tuhs.org/cgi-bin/utree.pl?file=1BSD/s6/cr3.c
>         <http://minnie.tuhs.org/cgi-bin/utree.pl?file=1BSD/s6/cr3.c>
>         http://minnie.tuhs.org/cgi-bin/utree.pl?file=2BSD/src/cr3.c
>         <http://minnie.tuhs.org/cgi-bin/utree.pl?file=2BSD/src/cr3.c>
>         http://minnie.tuhs.org/cgi-bin/utree.pl?file=2.9BSD/usr/src/ucb/more.c
>         <http://minnie.tuhs.org/cgi-bin/utree.pl?file=2.9BSD/usr/src/ucb/more.c>
>         http://minnie.tuhs.org/cgi-bin/utree.pl?file=32V/usr/src/cmd/pg.c
>         <http://minnie.tuhs.org/cgi-bin/utree.pl?file=32V/usr/src/cmd/pg.c>
>         http://minnie.tuhs.org/cgi-bin/utree.pl?file=AUSAM/source/S/pg.c
>         <http://minnie.tuhs.org/cgi-bin/utree.pl?file=AUSAM/source/S/pg.c>
>         (apparently unrelated to the 32V version)
>         http://minnie.tuhs.org/cgi-bin/utree.pl?file=SRI-NOSC/s2/pg.c
>         <http://minnie.tuhs.org/cgi-bin/utree.pl?file=SRI-NOSC/s2/pg.c>
>         http://minnie.tuhs.org/cgi-bin/utree.pl?file=OpenSolaris_b135/cmd/pg/pg.c
>         <http://minnie.tuhs.org/cgi-bin/utree.pl?file=OpenSolaris_b135/cmd/pg/pg.c>
>
>         https://danhalbert.org/more.html
>         <https://danhalbert.org/more.html> - mentions cr3
>
>
>     It makes sense that it used to be paper based and slow on screen.
>
>     Regarding the links and old bsd's. The binary cr3 on 1bsd works in
>     v7. Also, the book I'm reading has a c program that does paging.
>     But, I'm always off down the rabbit hole... I tried to compile the
>     cr3.c source and I get this error:
>
>     # cc cr3.c
>     Undefined:
>     _fout
>     _flush
>     _getc
>     _end
>
>     My understanding is that cc includes libc by default, so these
>     must not be in libc. But getc is standard lib, so what am I missing?
>
>     Thanks,
>
>     Will
>
>     -- 
>     GPG Fingerprint: 68F4 B3BD 1730 555A 4462  7D45 3EAA 5B6D A982 BAAF
>
>

-- 
GPG Fingerprint: 68F4 B3BD 1730 555A 4462  7D45 3EAA 5B6D A982 BAAF

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