Re: RPG IV Pointers

[Jim Langston <jlangston@xxxxxxxxxxxxxxxx>]

Yes, you are right, I stand corrected.  A null pointer is a pointer that
points at memory address 0.  A void pointer is one that is not type
cast.

Regards,

Jim Langston

Joel Fritz wrote:

> Minor semantic point--A null pointer is a pointer that contains a system
> dependent predefined address value that's convenient to think of as 0.  The
> pointer that's not typecast or typed in C/C++ is called a "void" pointer,
> which actually is a data type.
>
> RPG initializes all pointers to *NULL when you declare them, just like it
> initializes numerics to 0 and character strings to *BLANKS.
>
> I've had too much coffee this morning, they should have cut me off sooner.
> <g>

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