[TUHS] pre-more pager?

[Will Senn]

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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