set_xtal_freq : Ptr RtlSdrHandle -> Int -> Int -> PrimIO Intget_xtal_freq : Ptr RtlSdrHandle -> Ptr Int -> Ptr Int -> PrimIO Intset_center_freq : Ptr RtlSdrHandle -> Int -> PrimIO Intget_center_freq : Ptr RtlSdrHandle -> PrimIO Intset_freq_correction : Ptr RtlSdrHandle -> Int -> PrimIO Intget_freq_correction : Ptr RtlSdrHandle -> PrimIO Int