pub unsafe extern "C" fn fc2GetImageStatistics(
imageStatisticsContext: fc2ImageStatisticsContext,
channel: fc2StatisticsChannel,
pRangeMin: *mut c_uint,
pRangeMax: *mut c_uint,
pPixelValueMin: *mut c_uint,
pPixelValueMax: *mut c_uint,
pNumPixelValues: *mut c_uint,
pPixelValueMean: *mut f32,
ppHistogram: *mut *mut c_int,
) -> fc2Error