On 10 August 2010 07:41, Joe <jm202@yahoo.com> wrote:

>
> What I've tried is, created a new class to emulate the C struct:
>  class HBA_Wwn < FFI::Struct
>      layout :wwn, [:uint32, 8]
>  end

Change that to [:uint8, 8], and you should be able to call #to_s on it
to convert to a string.

Otherwise, you can call #to_ptr on any array field, and use get_string().