open62541_sys

Function UA_Client_readAttribute_async

Source 
pub unsafe extern "C" fn UA_Client_readAttribute_async(
    client: *mut UA_Client,
    rvi: *const UA_ReadValueId,
    timestampsToReturn: UA_TimestampsToReturn,
    callback: UA_ClientAsyncReadAttributeCallback,
    userdata: *mut c_void,
    requestId: *mut UA_UInt32,
) -> UA_StatusCode