Function sixel_sys::sixel_frame_init

pub unsafe extern "C" fn sixel_frame_init(
    frame: *mut Frame, 
    pixels: *mut c_uchar, 
    width: c_int, 
    height: c_int, 
    pixelformat: PixelFormat, 
    palette: *mut c_uchar, 
    ncolors: c_int
) -> Status