> I thought NULL was guaranteed to be a valid pointer, no need for
> the (void *) typecast?  It's only 0 that needs a typecast.

ac> #ifndef NULL
ac>  #if defined(__SMALL__) || defined(__MEDIUM__) || defined(__386__)
ac>   #define NULL   0
ac>  #else
ac>   #define NULL   0L
ac>  #endif
ac> #endif

ac> Hmmm.

ac> Regards
ac> Andrew (confused)

In this case, a typecast would force 0 to become 0L when using
the large memory model.  This is required when doing something
like a printf("%p %d\n", 0, 5555);

BFN.  Paul.
@EOT:

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