Function freeimage::ffi::FreeImage_ColorQuantizeEx

pub unsafe extern "C" fn FreeImage_ColorQuantizeEx(
    dib: *mut FIBITMAP, 
    quantize: FREE_IMAGE_QUANTIZE, 
    PaletteSize: c_int, 
    ReserveSize: c_int, 
    ReservePalette: *mut RGBQUAD
) -> *mut FIBITMAP