C programming question

gilles chehade chehad_g at epitech.net
Mon Apr 4 11:57:10 PDT 2005


On Mon, Apr 04, 2005 at 11:43:21AM -0700, Matt wrote:
> I need some help understanding some C code. 
> 
> int     (*if_ioctl)
>        (struct ifnet *, int, caddr_t);
> 
> int     (*if_watchdog)
>        (int);
> 
> Can someone break down these declarations (if that's what they are)?  Is 
> this a form of typecasting?  Thanks for your help.
> 

This is a bit off topic :)

int	(*if_ioctl)(struct ifnet *, int, caddr_t);

pointer to a function that returns an int and that takes a struct ifnet *, an
int and a caddr_t as parameters.

int	(*if_watchdog)(int);

pointer to a function that returns an int and takes an int as parameter.



-- 
veins (aka chaton) - Chehade Gilles - chehad_g at epitech.net - promo 2006 (ept4)
        Astek, assistant crypto, delegue ept4, chercheur en vie meilleure ;-)
	"..the good guys win primarily because criminals are just so supid."
	-- bruce schneier


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