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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: Is this valid C?
Date: Sat, 25 Feb 2017 12:43:26 -0800
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BartC <bc@freeuk.com> writes:
[...]
> Posted C source may already be intermediate code, not the original 
> source, if the original was a pseudo-code algorithm or a flow-chart 
> written on the back of an envelope.
>
> Maybe people should post pictures of the envelope!
[...]

The GPL (whatever you may think of it in general) has, IMHO, a
reasonable definition of "source code":

    The “source code” for a work means the preferred form of the work
    for making modifications to it. “Object code” means any non-source
    form of a work.

If you use tools to generate C source and then perform further
maintenance directly on the C source, then that's the "source code".
If any changes require modifying some input file and re-running
the tool, then the C source is not "source code".

-- 
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"