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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: Is 'extern' necessary?
Date: Tue, 14 Feb 2017 08:54:27 -0800
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supercat@casperkitty.com writes:
> On Tuesday, February 14, 2017 at 6:29:50 AM UTC-6, David Brown wrote:
>> It does not have "restrict".  There is nothing to stop an implementation
>> /adding/ information - but it should not skip things.
>
> Does "restrict" serve any more purpose in a prototype than identifier names?

Strictly speaking, no.  But it's reasonable to assume that any restrict
keywords in a function declaration match those in the corresponding
function definition, and for a compiler to issue warnings based on that
assumption.

[...]

-- 
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"