It doesn't know the value *at* the pointer, nor the value it points to, unless 
your using a statement to assign/check. The pointer points to an address, so 
the compiler doesn't really know the value unless it's assigned, or unless it's 
a constant in some cases.
                Thanks,
Tyler Littlefield
        http://tds-solutions.net
        Twitter: sorressean

On Feb 24, 2010, at 9:42 PM, Benjamin Scott wrote:

> Just curious, but why would the compiler 
> knowing the value of a pointer be pointless?
> I'm not sure what you mean, are you 
> missing part of a thought?
> 
> --- On Wed, 2/24/10, Steve Searle <st...@stevesearle.com> wrote:
> 
> From: Steve Searle <st...@stevesearle.com>
> Subject: Re: [c-prog] Is NULL defined somewhere?
> To: c-prog@yahoogroups.com
> Date: Wednesday, February 24, 2010, 6:41 PM
> 
>  
> 
> Around 12:20am on Thursday, February 25, 2010 (UK time), Benjamin Scott 
> scrawled:
> 
> > According to my understanding, If a Pointer has the
> 
> > value of 0, then it shows the compilier that it points
> 
> > to nothing, but I thought normally NULL is defined as
> 
> > 0.
> 
> Surely the concept of the compiler knowing a value of a pointer is
> 
> meaningless?
> 
> Steve
> 
> -- 
> 
> (o< www.stevesearle. com
> 
> //\ Powered by Fedora
> 
> V_/_ No MS products were used in the creation of this message
> 
> 00:40:30 up 23 days, 8:12, 0 users, load average: 0.00, 0.00, 0.00
> 
> [Non-text portions of this message have been removed]
> 
> 



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