On Mon, Nov 1, 2010 at 2:49 PM, Darshan Ghumare
<[email protected]> wrote:
>>
>
> http://publications.gbdirect.co.uk/c_book/chapter8/typedef.html
iw_handler is the type. For example:
int do_something(struct net_device *dev, struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
/* do stuff */
}
int do_something_else( <same thing here> )
{
/* more stuff */
}
iw_handler handlers[10];
handlers[0] = do_something;
handlers[1] = do_something_else;
... etc. ...
int choice = 4;
handlers[choice](dev, blah1, info_arg, iwreq_blah_arg, NULL);
This allows you to set up an array of functions that all take the same
arguments but do different things. You can then use a variable to
choose the function without caring what it does, and pass the same
arguments regardless of which function is being called.
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