pub unsafe extern "C" fn UA_Client_readValueAttribute(
client: *mut UA_Client,
nodeId: UA_NodeId,
outValue: *mut UA_Variant,
) -> UA_StatusCodepub unsafe extern "C" fn UA_Client_readValueAttribute(
client: *mut UA_Client,
nodeId: UA_NodeId,
outValue: *mut UA_Variant,
) -> UA_StatusCode