On Tue, 24 Feb 2009 00:43:33 +1300 Greg Ewing <[email protected]> wrote:
> Anatoly A. Kazantsev wrote: > > > Additional parameter 'void *user_data' is used in the example for this > > purpose. > > > > But I can't modify 'fshelp_open_fn_t' function type. > > What's the 'void *cookie'? Is it an arbitrary pointer > that you can use for your own purposes? If so, use > it the same way as the user_data in the example. Yes, I can use this pointer :-) But how can I wrap callbacks without such pointers. Or this pointers is a 'good' practise in designing of callback functions? -- Anatoly A. Kazantsev <[email protected]>
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