pub unsafe extern "C" fn dc_device_write(
device: *mut dc_device_t,
address: c_uint,
data: *const c_uchar,
size: c_uint,
) -> dc_status_t
pub unsafe extern "C" fn dc_device_write(
device: *mut dc_device_t,
address: c_uint,
data: *const c_uchar,
size: c_uint,
) -> dc_status_t