local.h in scanf.c
Thu Nov 20 04:57:00 GMT 2003
J. Johnston writes:
> Not true. An external C header file "has" to be protected.
I left that as a given. C'mon.
> So, you
> only get it twice if you directly include it twice in the same source file which
> is a programming error, however insignificant.
That's a stretch.
Over time who knows how the code might evolve.
The practice of always protecting headers (that aren't intended to
be included multiple times) means one less nuisance to deal with.
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