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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: Preprocessor Overheads
Date: Sat, 04 Feb 2017 13:18:39 -0800
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supercat@casperkitty.com writes:
> On Friday, February 3, 2017 at 8:33:56 PM UTC-6, Keith Thompson wrote:
>> You're pointing out that the void* pointers passed from qsort() to the
>> comparator function have to be computed from the array base pointer by
>> adding an offset.
>
> You were adamant that the only operation supported with void pointers was
> round-tripping to the original type.  I was hoping to nudge you in the
> direction of recognizing that the qsort() function would obviously have to
> do something that would require something other than a round-trip cast to
> the original type.

I see.  For future reference, if you have a point to make, just make it.
If I've missed something (and it happens), it's a lot easier just to
point it out rather than trying to nudge me in the right direction.

[...]

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"