[Haskell-cafe] an array of pointers in FFI?

Bulat Ziganshin bulat.ziganshin at gmail.com
Fri Aug 1 01:53:45 EDT 2008

Hello Vasili,

Friday, August 1, 2008, 9:08:05 AM, you wrote:

>      Is a (Ptr (Ptr a)) a polymorphic representation of an array of
> pointers of type "a"? I want to pass an array of pointers to a C function.

use Ptr (Ptr ())

Ptr ()  in haskell is like void* in C, it's used to represent pointer
to arbitrary type. you can use castPtr to cast pointers between different

Best regards,
 Bulat                            mailto:Bulat.Ziganshin at gmail.com

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