Are the criteria for Unix and PC compilers different?

[Ralf.Brown at B.GP.CS.CMU.EDU]

In article <7451 at oberon.USC.EDU>, blarson at skat.usc.edu (Bob Larson) writes:
}In article <22314ad9 at ralf.home> Ralf.Brown at B.GP.CS.CMU.EDU writes:
}>#define int long
}
}* Does not work on compilers that don't allow #define of a keyword.
}--
}Bob Larson      Arpa: Blarson at Ecla.Usc.Edu      blarson at skat.usc.edu
}Uucp: {sdcrdcf,cit-vax}!oberon!skat!blarson

I wasn't aware of any preprocessors smart enough to disallow #defines of
keywords.  The preprocessor's knowledge of C is limited to recognizing tokens;
it doesn't "know" C, it just does the textual substitution.

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