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Date: Sun, 21 Sep 2008 14:31:59 -0700
From: Sam Leffler <sam@freebsd.org>
Organization: FreeBSD Project
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To: Ed Schouten <ed@freebsd.org>
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/kern subr_clist.c src/sys/sys clist.h
	param.h
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Ed Schouten wrote:
> ed          2008-09-21 18:12:18 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/kern             subr_clist.c 
>     sys/sys              clist.h param.h 
>   Log:
>   SVN rev 183238 on 2008-09-21 18:12:18Z by ed
>   
>   Now that the number of clist consumers have dropped massively, trim down
>   the code to prevent useless waste of space.
>   
>   - Remove support for quote bits. There is not a single driver that needs
>     these bits anymore. This means putc() now accepts a char instead of an
>     int.
>   
>   - Remove the unneeded catq() and nextc() routines. They were only used
>     by the old TTY layer.
>   
>   - Convert the clist code to use ANSI C prototypes.
>   
>  

While there are no drivers in the tree that need these facilities 
perhaps there are drivers out of tree?  Might consider just #ifdef'ing them.

    Sam