[TUHS] pre-more pager?

Paul Ruizendaal pnr at planet.nl
Thu Nov 9 08:02:01 AEST 2017


> 
> 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



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