From mboxrd@z Thu Jan  1 00:00:00 1970
From: will.senn@gmail.com (Will Senn)
Date: Wed, 8 Nov 2017 16:20:44 -0600
Subject: [TUHS] pre-more pager?
In-Reply-To: <38D56F21-9AF6-4A00-995F-DAAD6570BC51@planet.nl>
References: <38D56F21-9AF6-4A00-995F-DAAD6570BC51@planet.nl>
Message-ID: <5980db87-fc47-7315-bf80-eb073aef3872@gmail.com>

On 11/8/17 4:02 PM, Paul Ruizendaal wrote:
>> 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?
> That source is for V6 not V7. V6 did not have the stdio lib yet, but a precursor to that.
> The binary you are using has the older io routines statically linked in.
>
> Paul
>
Great answer - very clear. I was curious why the binary worked. I was 
able to get the 2BSD version (thanks Clem) to compile and run on V7.

Will


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