Re: RPG IV Pointers

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>

+---
| This is the RPG/400 Mailing List!
| To submit a new message, send your mail to RPG400-L@midrange.com.
| To subscribe to this list send email to RPG400-L-SUB@midrange.com.
| To unsubscribe from this list send email to RPG400-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---