AVR-Chat

Thanks!  That jump starts my usage of the structures.  You have been 
a geat help!

-Tony

--- In AVR-Chat@yahoogroups.com, Robert Adsett <subscriptions@a...> 
wrote:
> At 08:18 PM 4/25/05 +0000, arhodes19044 wrote:
> >Oh yeah.  I remember the pain of figuring when to use the > vs .
> >operators.  pointer references or whatever.  OUCH!!!  Well, I will
> >go through it again.
> 
> name->item is a pointer dereference (it's a two character operator)
> name.item is simply a non-pointer reference.
> 
> Given
> 
> struct sdf {
>     int a;
>     int b;
> } *ptr, non_ptr;
> 
> You would use
> 
> non_ptr.a = ptr->a;
> 
> Or
> 
> non_ptr.a = (*ptr).a;
> 
> Both lines have the same meaning.  It's not really an array/non-
array type 
> of difference although it can show up in that context.
> 
> Of course you should init the pointer to something valid first ;)
> 
> Robert
> 
> " 'Freedom' has no meaning of itself.  There are always 
restrictions,   be 
> they legal, genetic, or physical.  If you don't believe me, try to 
chew a 
> radio signal. "  -- Kelvin Throop, III
> http://www.aeolusdevelopment.com/