Function sixel_sys::sixel_encoder_encode_bytes

pub unsafe extern "C" fn sixel_encoder_encode_bytes(
    encoder: *mut Encoder, 
    bytes: *mut c_uchar, 
    width: c_int, 
    height: c_int, 
    pixelformat: PixelFormat, 
    palette: *mut c_uchar, 
    ncolors: c_int
) -> Status