From: "Richard Damon" <rdamon AT beltronicsinc DOT com>
To: <djgpp AT delorie DOT com>
Subject: RE: Static variables
Date: Fri, 17 May 2002 14:12:56 -0400
Message-ID: <KBEEJNHPFAMCGLNKDFEFEEFIDKAA.rdamon@beltronicsinc.com>
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> -----Original Message-----
> From: Matthew Bayliss [mailto:noone AT knowhere DOT com]
> Sent: Friday, May 17, 2002 12:03 PM
> To: djgpp AT delorie DOT com
> Subject: Static variables
>
>
> I have a variable declared outside of main() with a static keyword.
>
> If you break on line 117 and "print words_ptr" the pointer has an
> assignment.  When the function returns to main() (line 31) the
> variable has
> no value.
>
> Why is this?  I thought a static variable would also keep it's
> value between
> funtions.
>
> Help.

...snip...

> static struct wordstruct *words_ptr;

...snip...

> int inputdata( struct wordstruct *words_ptr )
> {
...snip...
> }
>

Inside the function inputdata the parameter words_ptr will hide the global
words_ptr. Since it seams you want the global variable, make inputdata have
no parameters and just use the global.

Richard Damon
--
rbrdamon AT rcn DOT com (Home)
rdamon AT beltronicsinc DOT com (Work)