pub unsafe extern "C" fn SoapySDRDevice_getFrequencyCorrection(
device: *const SoapySDRDevice,
direction: c_int,
channel: usize
) -> f64
pub unsafe extern "C" fn SoapySDRDevice_getFrequencyCorrection(
device: *const SoapySDRDevice,
direction: c_int,
channel: usize
) -> f64