#define LIST_HEAD_INIT(name) {&(name), &(nmae)}

Greg KH greg at kroah.com
Mon Jun 22 23:30:19 UTC 2009


On Mon, Jun 22, 2009 at 04:16:36PM -0700, hong zhang wrote:
> 
> List,
> 
> I need a C mailing list to post my C question from kernel. Could
> anyone recommend a good one to me?

kernelnewbies usually handles kernel-related C questions quite well.
Have you tried that?

> Currently I subscripe 
> 
> comp.lang.c
> http://groups.google.com/group/comp.lang.c?hl=en
> 
> #define LIST_HEAD_INIT(name) {&(name), &(nmae)}
> bothers me.
> 
> What is { &(name), &(name)} for?
> I do not see this kind of statement in C codes before.

It creates a list that points to itself, registering the first two
fields of the structure to be pointers.

Run cpp to see the exact output if you are still confused.

thanks,

greg k-h



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