From:	"Elias Pschernig" <f DOT x DOT gruber-museum-arnsdorf AT magnet DOT at>
Newsgroups:	comp.os.msdos.djgpp
Subject:	pointers under DJGPP
Date:	Sat, 25 Apr 1998 08:10:04 +0200
Organization:	magnet Internet Services
Lines:	31
Message-ID:	<6ht8va$pau$1@orudios.magnet.at>
NNTP-Posting-Host:	195.3.67.62
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Hi, i have a question !

Using my old (real mode) C-compiler, i could
convert a pointer to a long-integer and then
converting it to a seg:off address.

Now i wanted to know, what exactly do
i get, when i print out a pointer under
DJGPP-C, like in the following example ?

void printpointer(void *ptr)
{
 int n=ptr; // convert 32bit ptr to 32bit int
                 // (=convert nothing at all ?)
 printf("%d",n);
}

What does the number printed out mean ?
Is it a far (selector included) or a
near pointer ?
What exactly is stored in the 32 bits of ptr ?
How can i get the absolute address (from
absolute zero) of it - using this value ?


Ok, i think you can understand what i want to know...

thanks for information,
Elias Pschernig

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