bug in ctype.h

Chris Faylor cgf@cygnus.com
Mon Mar 13 09:56:00 GMT 2000

On Mon, Mar 13, 2000 at 06:07:43PM +0100, Levente Farkas wrote:
>I thing it's a real bug in ctype.h in cygwin:
>#define _U  01
>#define _L  02
>#define _N  04
>#define _S  010
>#define _P  020
>#define _C  040
>#define _X  0100
>#define _B  0200
>and there is no undef pair of these defines. ok you can use every
>name with starts with _, but it's a real nightmare (the _X is the

Um, how would you undef these?  They're used in macros.

It was my understanding that symbols that begin with "_" were supposed
to be the province of a system library and are not supposed to be
used by user programs.  Or was it "__".  I can never remember.


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