pub unsafe extern "C" fn __UA_Client_writeAttribute_async(
client: *mut UA_Client,
nodeId: *const UA_NodeId,
attributeId: UA_AttributeId,
in_: *const c_void,
inDataType: *const UA_DataType,
callback: UA_ClientAsyncServiceCallback,
userdata: *mut c_void,
reqId: *mut UA_UInt32,
) -> UA_StatusCode