Function dav1d_data_wrap 

pub unsafe extern "C" fn dav1d_data_wrap(
    data: *mut Dav1dData,
    buf: *const u8,
    sz: usize,
    free_callback: Option<unsafe extern "C" fn(buf: *const u8, cookie: *mut c_void)>,
    cookie: *mut c_void,
) -> c_int