if (p), where p is a pointer (apology)

[Mike Durbin]

-----------

I wrote:
> NULL *IS* defined as (char *)0 and SHOULD only be used in comparisons
> with character pointers!

and I was wrong.  

Thanks for the (kind) replies that pointed out my error.
"... comparisons of pointers with a plain 0 are well-defined by the language."
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