bug in ctype.h

Levente Farkas !spam-lfarkas@mindmaker.hu
Mon Mar 13 09:59:00 GMT 2000


Chris Faylor wrote:
> 
> On Mon, Mar 13, 2000 at 06:07:43PM +0100, Levente Farkas wrote:
> >hi,
> >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
> >worst).
> 
> Um, how would you undef these?  They're used in macros.

that's another problem:-)
but simple after use
#undef _X
 
> 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.

almost both, but such a macros are anoying anyway.

 -- lfarkas
 "The only thing worse than not knowing the truth is
  ruining the bliss of ignorance."

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