On May 14, 2010, at 16:12, Andy Stewart wrote:

> type CAsyncReadyCallback = Ptr GObject -> Ptr AsyncResult -> Ptr () - 
> > IO ()

It seems odd to me that you simply define the return type. You have to  
tell c2hs that a certain Haskell type should map to the corresponding  
C type using the {# pointer #} hook.

Axel


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