get_tuner_type : Ptr RtlSdrHandle -> Intset_offset_tuning : Ptr RtlSdrHandle -> Int -> PrimIO Intget_offset_tuning : Ptr RtlSdrHandle -> PrimIO Intset_bias_tee : Ptr RtlSdrHandle -> Int -> PrimIO Intset_bias_tee_gpio : Ptr RtlSdrHandle -> Int -> Int -> PrimIO Int