In C language , the NULL is defined as int under stdio.h, has value 0, so
you can do subtraction of NULL pointers,



On Wed, Nov 16, 2011 at 6:57 AM, Dan <dant...@aol.com> wrote:

> Just FYI,
>
> You need to (and "should" always) be specific.  Many languages have
> pointers.  Many do not.  Of those that do...  pointers don't work the
> same way in each of them.  Even the concept of what a pointer is can
> vary a bit.    So...  always state which specific programming language
> you are talking about in your questions & comments.
>
> Dan  :-)
>
>
> On Nov 14, 1:52 pm, UTKARSH SRIVASTAV <usrivastav...@gmail.com> wrote:
> > is subtraction of two NULL pointers defined ?
> >
> > --
> > *UTKARSH SRIVASTAV
> > CSE-3
> > B-Tech 3rd Year
> > @MNNIT ALLAHABAD*
>
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-- 
Regards,
Ashish

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