Subj : Re: Old C-program
To   : borland.public.cpp.borlandcpp
From : John F\(dot\)
Date : Tue Oct 11 2005 09:00 pm


"Ed Mulroy" wrote:

> Compilers which conform to ANSI C, C as used since 1986 use
>    #define NULL 0
> and with them it is valid for any pointer type to be compared to zero.
>
> .  Ed
>

I remember a discussion on

#define NULL (void *)0

vs.

#define NULL 0

I've seen both...
But since C99 states both as equivalent (and a enforces a silent cast) its 
obsolete.

John

.