Artem B. Bityuckiy
Thu Oct 2 13:23:00 GMT 2003

Ahmed Masud wrote:
> Artem B. Bityuckiy wrote:
>> Hello
>> I've found than there is no "standard" place for NULL in Newlib. NULL 
>> is defined in stdio.h, stdlib.h, locale.h, time.h, wchar.h and in a 
>> variety of internal .c files. In all cases there are
>> #ifndef NULL
>> #define NULL
>> #endif
>> in these files. What is the reason of such many NULL definition? I 
>> need NULL for internal use when I'm changing Newlib. And I've also 
>> defined one more version of NULL. May be it is better to add NULL 
>> definition to somewhere like sys/_types.h ?
> May be desirable to actually put it in stdio.h; or in its own file 
> null.h. In addition NULL should be defined as:
> #ifndef NULL
> #define NULL ((void *)0)
> #endif
> Not as a blank.
> Cheers,
> Ahmed
Of course, NULL isn't the blank, I wanted to write

#ifndef NULL
#define NULL 0

NULL is defined in GCC's stddef.h.
Sorry for silly question.

Best Regards,

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