some unusual errors
Lassi A. Tuura
Tue Sep 22 06:22:00 GMT 1998
|> Why would you say "unsigned char"??
|> It says "int" to me.
|> So, a signed char should promote to int just fine.
The only negative value allowed with these functions is EOF (if it is
negative)---see the quotes earlier in this thread. If you have a signed
character that really is negative, it will promote to a negative integer
and you end up with undefined behaviour. gcc is nice enough to give you
a warning about that. You need to cast the character to `unsigned char'
before using it in the is* predicates.
With sufficient thrust, pigs fly just fine. However, this is not
necessarily a good idea. It is hard to be sure where they are going
to land, and it could be dangerous sitting under them as they fly
overhead. --RFC1925, "The Twelve Networking Truths"
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