Sending a buddy request in ICQ fails when using libpurple

[michaelcbrook at msn.com]

On Thu, 2009-08-06 at 01:38 -0700, Mark Doliner wrote:
> On Thu, Aug 6, 2009 at 1:08 AM,
> michaelcbrook at msn.com<michaelcbrook at msn.com> wrote:
> >> I think you may need to pass parameters to the callback functions.
> >> The user_data variable passed to your request_input function and the
> >> message text.  See the bottom half of input_response_cb() in
> >> pidgin/gtkresponse.c for an example.  Specifically:
> >>
> >> ((PurpleRequestInputCb)data->cbs[id])(data->user_data, value);
> >>
> >> -Mark
> >>
> >
> > Ok, I'm not sure if this is what you meant, but if I call:
> >
> > ok_cb(user_data, default_value);
> >
> > ...the compiler complains saying that I have too many arguments.  It
> > won't accept any arguments at all.  Am I doing something wrong?
> 
> I think your ok_cb variable might be the wrong data type.  In the
> example I pasted above the function pointer is cast to
> PurpleRequestInputCb before it's called.
> 
> -Mark
> 
Ok, I just tried: (PurpleRequestInputCb)ok_cb(user_data, default_value);
but the compiler still seems to be complaining.  It says:

test.c: In function ‘request_input’:
test.c:125: error: too many arguments to function ‘ok_cb’
test.c:125: error: invalid use of void expression

-Michael