__STDC__ and non-strictly conforming ANSI C compilers

[Bob Larson]

In article <1988Dec18.043804.907 at utzoo.uucp> henry at utzoo.uucp (Henry Spencer) writes:
>There
>really ought to be a way for a program to specify that a predefinition
>of a particular identifier is expected.

#ifndef FROBUZ
    ??= error	FROBUZ must be pre-defined!
#endif

(Note use of trigraph so non-ansi compilers won't refuse to compile
this if FROBUZ is defined.  This may be the place trigraphs are realy
useful.)
-- 
Bob Larson	Arpa: Blarson at Ecla.Usc.Edu	blarson at skat.usc.edu
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