Here is a list of all variables with links to the structures/unions they belong to:

- r -

• ra : message
• rawFields : UA_DataSetMessage_DataKeyFrameData
• rawMessageLength : UA_NetworkMessageOffsetBuffer
• rcode : message
• rd : message
• rdata : mdns_answer, resource
• rdlen : mdns_answer
• rdlength : resource
• rdname : mdns_answer
• read : UA_DataSource
• readAtTime : UA_HistoryDatabase
• ReadCount : _OpcUa_SessionDiagnosticsDataType
• readerGroupsSize : UA_PubSubConnection
• readersCount : UA_ReaderGroup
• readEvent : UA_HistoryDatabase
• readModified : UA_HistoryDatabase
• readProcessed : UA_HistoryDatabase
• readRaw : UA_HistoryDatabase
• readRequest : UA_Request
• readResponse : UA_Response
• Real : _OpcUa_ComplexNumberType, _OpcUa_DoubleComplexNumberType
• real : UA_ComplexNumberType, UA_DoubleComplexNumberType
• reason : UA_TcpErrorMessage
• receive : UA_PubSubChannel
• receiveBufferSize : UA_TcpAcknowledgeMessage, UA_TcpHelloMessage
• receiverCertificateThumbprint : UA_AsymmetricAlgorithmSecurityHeader
• receiveSequenceNumber : UA_SecureChannel
• reconnect_callback : mqtt_client
• reconnect_state : mqtt_client
• RecordId : _OpcUa_ServerOnNetwork
• recursive : BrowseOpts
• recv : UA_Connection
• recv_buffer : mqtt_client
• recvBufferSize : UA_ConnectionConfig
• ReferencedNodeIds : _OpcUa_NodeReference
• References : _OpcUa_BrowseResult, _OpcUa_DataTypeNode, _OpcUa_InstanceNode, _OpcUa_MethodNode, _OpcUa_Node, _OpcUa_ObjectNode, _OpcUa_ObjectTypeNode, _OpcUa_ReferenceTypeNode, _OpcUa_TypeNode, _OpcUa_VariableNode, _OpcUa_VariableTypeNode, _OpcUa_ViewNode
• references : UA_BrowseResult, UA_NodeHead
• referencesSize : UA_BrowseResult, UA_NodeHead
• ReferencesToAdd : _OpcUa_AddReferencesRequest
• referencesToAdd : UA_AddReferencesRequest
• referencesToAddSize : UA_AddReferencesRequest
• ReferencesToDelete : _OpcUa_DeleteReferencesRequest
• referencesToDelete : UA_DeleteReferencesRequest
• referencesToDeleteSize : UA_DeleteReferencesRequest
• ReferenceTypeId : _OpcUa_AddNodesItem, _OpcUa_AddReferencesItem, _OpcUa_BrowseDescription, _OpcUa_DeleteReferencesItem, _OpcUa_NodeReference, _OpcUa_ReferenceDescription, _OpcUa_ReferenceNode, _OpcUa_RelativePathElement
• referenceTypeId : UA_AddNodesItem, UA_AddReferencesItem, UA_BrowseDescription, UA_DeleteReferencesItem, UA_ReferenceDescription, UA_RelativePathElement
• referenceTypeIndex : UA_NodeReferenceKind, UA_ReferenceTypeNode
• referenceTypeNode : UA_Node
• regist : UA_PubSubChannel
• registered : PeriodicServerRegisterCallback, UA_MonitoredItem
• RegisteredNodeIds : _OpcUa_RegisterNodesResponse
• registeredNodeIds : UA_RegisterNodesResponse
• registeredNodeIdsSize : UA_RegisterNodesResponse
• registeredServer : registeredServer_list_entry
• registeredServersSize : UA_DiscoveryManager
• registerNodeId : UA_HistoryDataGathering
• RegisterNodesCount : _OpcUa_SessionDiagnosticsDataType
• registerNodesRequest : UA_Request
• registerNodesResponse : UA_Response
• registerServer2Request : UA_Request
• registerServer2Response : UA_Response
• registerServerCallback : UA_DiscoveryManager
• registerServerCallbackData : UA_DiscoveryManager
• registerServerRequest : UA_Request
• registerServerResponse : UA_Response
• rejectedChannelCount : UA_SecureChannelStatistics
• rejectedConnectionCount : UA_NetworkStatistics
• RejectedRequestsCount : _OpcUa_ServerDiagnosticsSummaryDataType
• rejectedRequestsCount : UA_ServerDiagnosticsSummaryDataType
• RejectedSessionCount : _OpcUa_ServerDiagnosticsSummaryDataType
• rejectedSessionCount : UA_ServerDiagnosticsSummaryDataType, UA_SessionStatistics
• RelativePath : _OpcUa_BrowsePath, _OpcUa_QueryDataDescription
• relativePath : UA_BrowsePath
• ReleaseContinuationPoint : _OpcUa_QueryNextRequest
• ReleaseContinuationPoints : _OpcUa_BrowseNextRequest, _OpcUa_HistoryReadRequest
• releaseContinuationPoints : UA_BrowseNextRequest
• releaseNode : UA_Nodestore
• releaseRecvBuffer : UA_Connection
• releaseSendBuffer : UA_Connection
• remaining_length : mqtt_fixed_header
• RemainingPathIndex : _OpcUa_BrowsePathTarget
• remainingPathIndex : UA_BrowsePathTarget
• remoteCertificate : UA_SecureChannel
• remoteCertificateThumbprint : UA_SecureChannel
• remoteMaxChunkCount : UA_ConnectionConfig
• remoteMaxMessageSize : UA_ConnectionConfig
• remoteNonce : UA_Client, UA_SecureChannel
• removeCustomCallback : UA_PubSub_CallbackLifecycle
• removeDataValue : UA_HistoryDataBackend
• RemoveDiagnosticInfos : _OpcUa_SetTriggeringResponse
• removeDiagnosticInfos : UA_SetTriggeringResponse
• removeDiagnosticInfosSize : UA_SetTriggeringResponse
• removeNode : UA_Nodestore
• RemoveResults : _OpcUa_SetTriggeringResponse
• removeResults : UA_SetTriggeringResponse
• removeResultsSize : UA_SetTriggeringResponse
• renewState : UA_SecureChannel
• replaceDataCapability : UA_ServerConfig
• replaceDataValue : UA_HistoryDataBackend
• replaceEventCapability : UA_ServerConfig
• replaceNode : UA_Nodestore
• RepublishCount : _OpcUa_SessionDiagnosticsDataType
• RepublishMessageCount : _OpcUa_SubscriptionDiagnosticsDataType
• RepublishMessageRequestCount : _OpcUa_SubscriptionDiagnosticsDataType
• republishRequest : UA_Request
• RepublishRequestCount : _OpcUa_SubscriptionDiagnosticsDataType
• republishResponse : UA_Response
• ReqTimes : _OpcUa_DeleteAtTimeDetails, _OpcUa_ReadAnnotationDataDetails, _OpcUa_ReadAtTimeDetails
• RequestedLifetime : _OpcUa_OpenSecureChannelRequest
• requestedLifetime : UA_OpenSecureChannelRequest
• RequestedLifetimeCount : _OpcUa_CreateSubscriptionRequest, _OpcUa_ModifySubscriptionRequest
• requestedLifetimeCount : UA_CreateSubscriptionRequest, UA_ModifySubscriptionRequest
• RequestedMaxKeepAliveCount : _OpcUa_CreateSubscriptionRequest, _OpcUa_ModifySubscriptionRequest
• requestedMaxKeepAliveCount : UA_CreateSubscriptionRequest, UA_ModifySubscriptionRequest
• RequestedMaxReferencesPerNode : _OpcUa_BrowseRequest
• requestedMaxReferencesPerNode : UA_BrowseRequest
• RequestedNewNodeId : _OpcUa_AddNodesItem
• requestedNewNodeId : UA_AddNodesItem
• RequestedParameters : _OpcUa_MonitoredItemCreateRequest, _OpcUa_MonitoredItemModifyRequest
• requestedParameters : UA_MonitoredItemCreateRequest, UA_MonitoredItemModifyRequest
• RequestedPublishingInterval : _OpcUa_CreateSubscriptionRequest, _OpcUa_ModifySubscriptionRequest
• requestedPublishingInterval : UA_CreateSubscriptionRequest, UA_ModifySubscriptionRequest
• RequestedSessionTimeout : _OpcUa_CreateSessionRequest
• requestedSessionTimeout : UA_ClientConfig, UA_CreateSessionRequest
• RequestHandle : _OpcUa_CancelRequest, _OpcUa_RequestHeader, _OpcUa_ResponseHeader
• requestHandle : UA_Client, UA_RequestHeader, UA_ResponseHeader
• RequestHeader : _OpcUa_ActivateSessionRequest, _OpcUa_AddNodesRequest, _OpcUa_AddReferencesRequest, _OpcUa_BrowseNextRequest, _OpcUa_BrowseRequest, _OpcUa_CallRequest, _OpcUa_CancelRequest, _OpcUa_CloseSecureChannelRequest, _OpcUa_CloseSessionRequest, _OpcUa_CreateMonitoredItemsRequest, _OpcUa_CreateSessionRequest, _OpcUa_CreateSubscriptionRequest, _OpcUa_DeleteMonitoredItemsRequest, _OpcUa_DeleteNodesRequest, _OpcUa_DeleteReferencesRequest, _OpcUa_DeleteSubscriptionsRequest, _OpcUa_FindServersOnNetworkRequest, _OpcUa_FindServersRequest, _OpcUa_GetEndpointsRequest, _OpcUa_HistoryReadRequest, _OpcUa_HistoryUpdateRequest, _OpcUa_ModifyMonitoredItemsRequest, _OpcUa_ModifySubscriptionRequest, _OpcUa_OpenSecureChannelRequest, _OpcUa_PublishRequest, _OpcUa_QueryFirstRequest, _OpcUa_QueryNextRequest, _OpcUa_ReadRequest, _OpcUa_RegisterNodesRequest, _OpcUa_RegisterServer2Request, _OpcUa_RegisterServerRequest, _OpcUa_RepublishRequest, _OpcUa_SetMonitoringModeRequest, _OpcUa_SetPublishingModeRequest, _OpcUa_SetTriggeringRequest, _OpcUa_TransferSubscriptionsRequest, _OpcUa_TranslateBrowsePathsToNodeIdsRequest, _OpcUa_UnregisterNodesRequest, _OpcUa_WriteRequest
• requestHeader : UA_ActivateSessionRequest, UA_AddNodesRequest, UA_AddReferencesRequest, UA_BrowseNextRequest, UA_BrowseRequest, UA_CallRequest, UA_CloseSecureChannelRequest, UA_CloseSessionRequest, UA_CreateMonitoredItemsRequest, UA_CreateSessionRequest, UA_CreateSubscriptionRequest, UA_DeleteMonitoredItemsRequest, UA_DeleteNodesRequest, UA_DeleteReferencesRequest, UA_DeleteSubscriptionsRequest, UA_FindServersRequest, UA_GetEndpointsRequest, UA_ModifyMonitoredItemsRequest, UA_ModifySubscriptionRequest, UA_OpenSecureChannelRequest, UA_PublishRequest, UA_ReadRequest, UA_RegisterNodesRequest, UA_RepublishRequest, UA_Request, UA_SetMonitoringModeRequest, UA_SetPublishingModeRequest, UA_SetTriggeringRequest, UA_TransferSubscriptionsRequest, UA_TranslateBrowsePathsToNodeIdsRequest, UA_UnregisterNodesRequest, UA_WriteRequest
• requestId : AsyncServiceCall, UA_Chunk, UA_Client, UA_MessageContext, UA_PublishResponseEntry, UA_SequenceHeader
• RequestType : _OpcUa_OpenSecureChannelRequest
• requestType : UA_OpenSecureChannelRequest
• response : UA_PublishResponseEntry
• response_timeout : mqtt_client
• responsedata : AsyncServiceCall
• ResponseHeader : _OpcUa_ActivateSessionResponse, _OpcUa_AddNodesResponse, _OpcUa_AddReferencesResponse, _OpcUa_BrowseNextResponse, _OpcUa_BrowseResponse, _OpcUa_CallResponse, _OpcUa_CancelResponse, _OpcUa_CloseSecureChannelResponse, _OpcUa_CloseSessionResponse, _OpcUa_CreateMonitoredItemsResponse, _OpcUa_CreateSessionResponse, _OpcUa_CreateSubscriptionResponse, _OpcUa_DeleteMonitoredItemsResponse, _OpcUa_DeleteNodesResponse, _OpcUa_DeleteReferencesResponse, _OpcUa_DeleteSubscriptionsResponse, _OpcUa_FindServersOnNetworkResponse, _OpcUa_FindServersResponse, _OpcUa_GetEndpointsResponse, _OpcUa_HistoryReadResponse, _OpcUa_HistoryUpdateResponse, _OpcUa_ModifyMonitoredItemsResponse, _OpcUa_ModifySubscriptionResponse, _OpcUa_OpenSecureChannelResponse, _OpcUa_PublishResponse, _OpcUa_QueryFirstResponse, _OpcUa_QueryNextResponse, _OpcUa_ReadResponse, _OpcUa_RegisterNodesResponse, _OpcUa_RegisterServer2Response, _OpcUa_RegisterServerResponse, _OpcUa_RepublishResponse, _OpcUa_ServiceFault, _OpcUa_SetMonitoringModeResponse, _OpcUa_SetPublishingModeResponse, _OpcUa_SetTriggeringResponse, _OpcUa_TransferSubscriptionsResponse, _OpcUa_TranslateBrowsePathsToNodeIdsResponse, _OpcUa_UnregisterNodesResponse, _OpcUa_WriteResponse
• responseHeader : UA_ActivateSessionResponse, UA_AddNodesResponse, UA_AddReferencesResponse, UA_BrowseNextResponse, UA_BrowseResponse, UA_CallResponse, UA_CloseSecureChannelResponse, UA_CloseSessionResponse, UA_CreateMonitoredItemsResponse, UA_CreateSessionResponse, UA_CreateSubscriptionResponse, UA_DeleteMonitoredItemsResponse, UA_DeleteNodesResponse, UA_DeleteReferencesResponse, UA_DeleteSubscriptionsResponse, UA_FindServersResponse, UA_GetEndpointsResponse, UA_ModifyMonitoredItemsResponse, UA_ModifySubscriptionResponse, UA_OpenSecureChannelResponse, UA_PublishResponse, UA_ReadResponse, UA_RegisterNodesResponse, UA_RepublishResponse, UA_Response, UA_ServiceFault, UA_SetMonitoringModeResponse, UA_SetPublishingModeResponse, UA_SetTriggeringResponse, UA_TransferSubscriptionsResponse, UA_TranslateBrowsePathsToNodeIdsResponse, UA_UnregisterNodesResponse, UA_WriteResponse
• responseQueueSize : UA_Session
• responseType : AsyncServiceCall
• result : UA_DataSetFieldResult, UA_Notification
• ResultMask : _OpcUa_BrowseDescription
• resultMask : UA_BrowseDescription
• Results : _OpcUa_ActivateSessionResponse, _OpcUa_AddNodesResponse, _OpcUa_AddReferencesResponse, _OpcUa_BrowseNextResponse, _OpcUa_BrowseResponse, _OpcUa_CallResponse, _OpcUa_CreateMonitoredItemsResponse, _OpcUa_DeleteMonitoredItemsResponse, _OpcUa_DeleteNodesResponse, _OpcUa_DeleteReferencesResponse, _OpcUa_DeleteSubscriptionsResponse, _OpcUa_HistoryReadResponse, _OpcUa_HistoryUpdateResponse, _OpcUa_ModifyMonitoredItemsResponse, _OpcUa_PublishResponse, _OpcUa_ReadResponse, _OpcUa_SetMonitoringModeResponse, _OpcUa_SetPublishingModeResponse, _OpcUa_TransferSubscriptionsResponse, _OpcUa_TranslateBrowsePathsToNodeIdsResponse, _OpcUa_WriteResponse
• results : UA_ActivateSessionResponse, UA_AddNodesResponse, UA_AddReferencesResponse, UA_BrowseNextResponse, UA_BrowseResponse, UA_CallResponse, UA_CreateMonitoredItemsResponse, UA_DeleteMonitoredItemsResponse, UA_DeleteNodesResponse, UA_DeleteReferencesResponse, UA_DeleteSubscriptionsResponse, UA_ModifyMonitoredItemsResponse, UA_PublishResponse, UA_ReadResponse, UA_SetMonitoringModeResponse, UA_SetPublishingModeResponse, UA_TransferSubscriptionsResponse, UA_TranslateBrowsePathsToNodeIdsResponse, UA_WriteResponse
• resultSize : UA_HistoryDataBackend
• resultsSize : UA_ActivateSessionResponse, UA_AddNodesResponse, UA_AddReferencesResponse, UA_BrowseNextResponse, UA_BrowseResponse, UA_CallResponse, UA_CreateMonitoredItemsResponse, UA_DeleteMonitoredItemsResponse, UA_DeleteNodesResponse, UA_DeleteReferencesResponse, UA_DeleteSubscriptionsResponse, UA_ModifyMonitoredItemsResponse, UA_PublishResponse, UA_ReadResponse, UA_SetMonitoringModeResponse, UA_SetPublishingModeResponse, UA_TransferSubscriptionsResponse, UA_TranslateBrowsePathsToNodeIdsResponse, UA_WriteResponse
• retain_flag : mqtt_response_publish
• retransmissionQueue : UA_Subscription
• retransmissionQueueSize : UA_Subscription
• RetransmitSequenceNumber : _OpcUa_RepublishRequest
• retransmitSequenceNumber : UA_RepublishRequest
• return_code : mqtt_response_connack
• return_codes : mqtt_response_suback
• ReturnBounds : _OpcUa_ReadRawModifiedDetails
• ReturnDiagnostics : _OpcUa_RequestHeader
• returnDiagnostics : UA_RequestHeader
• RevisedAggregateConfiguration : _OpcUa_AggregateFilterResult
• RevisedContinuationPoint : _OpcUa_QueryNextResponse
• RevisedLifetime : _OpcUa_ChannelSecurityToken
• revisedLifetime : UA_ChannelSecurityToken
• RevisedLifetimeCount : _OpcUa_CreateSubscriptionResponse, _OpcUa_ModifySubscriptionResponse
• revisedLifetimeCount : UA_CreateSubscriptionResponse, UA_ModifySubscriptionResponse
• RevisedMaxKeepAliveCount : _OpcUa_CreateSubscriptionResponse, _OpcUa_ModifySubscriptionResponse
• revisedMaxKeepAliveCount : UA_CreateSubscriptionResponse, UA_ModifySubscriptionResponse
• RevisedProcessingInterval : _OpcUa_AggregateFilterResult
• RevisedPublishingInterval : _OpcUa_CreateSubscriptionResponse, _OpcUa_ModifySubscriptionResponse
• revisedPublishingInterval : UA_CreateSubscriptionResponse, UA_ModifySubscriptionResponse
• RevisedQueueSize : _OpcUa_MonitoredItemCreateResult, _OpcUa_MonitoredItemModifyResult
• revisedQueueSize : UA_MonitoredItemCreateResult, UA_MonitoredItemModifyResult
• RevisedSamplingInterval : _OpcUa_MonitoredItemCreateResult, _OpcUa_MonitoredItemModifyResult
• revisedSamplingInterval : UA_MonitoredItemCreateResult, UA_MonitoredItemModifyResult
• RevisedSessionTimeout : _OpcUa_CreateSessionResponse
• revisedSessionTimeout : UA_CreateSessionResponse
• RevisedStartTime : _OpcUa_AggregateFilterResult
• right : aa_entry
• RoleId : _OpcUa_RolePermissionType
• RolePermissions : _OpcUa_DataTypeNode, _OpcUa_InstanceNode, _OpcUa_MethodNode, _OpcUa_Node, _OpcUa_ObjectNode, _OpcUa_ObjectTypeNode, _OpcUa_ReferenceTypeNode, _OpcUa_TypeNode, _OpcUa_VariableNode, _OpcUa_VariableTypeNode, _OpcUa_ViewNode
• root : aa_head, UA_Timer
• rtFieldSourceEnabled : UA_DataSetVariableConfig
• rtInformationModelNode : UA_DataSetVariableConfig
• rtLevel : UA_ReaderGroupConfig, UA_WriterGroupConfig
• RTsubscriberEnabled : UA_NetworkMessageOffsetBuffer
• rtValueSource : UA_DataSetVariableConfig