Here is a list of all variables with links to the classes they belong to:

- u -

u : ellswift_xswiftec_inv_test, secp256k1_modinv32_trans2x2, secp256k1_modinv64_trans2x2
ui : AddressBookPage, AskPassphraseDialog, CoinControlDialog, CreateWalletDialog, EditAddressDialog, HelpMessageDialog, Intro, ModalOverlay, OpenURIDialog, OptionsDialog, OverviewPage, ReceiveCoinsDialog, ReceiveRequestDialog, RPCConsole, SendCoinsDialog, SendCoinsEntry, SignVerifyMessageDialog, TransactionDescDialog
uid : wallet::MetaPage
uiInterface : CConnman::Options
unconfirmed_balance : interfaces::WalletBalances, WalletBalances
unconfTxs : TxConfirmStats
undo_data : interfaces::BlockInfo
undo_height : node::BlockfileCursor
unique_id : CRPCCommand
unit : BitcoinAmountField, TxViewDelegate
unitDisplayControl : BitcoinGUI
unitlist : BitcoinUnits
unknown : PartiallySignedTransaction, PSBTInput, PSBTOutput, RPCConsole::TranslatedStrings
unlockAction : CoinControlDialog
unused : wallet::InternalRecord
unused1 : wallet::MetaPage
unused2 : wallet::MetaPage, wallet::OverflowRecord
unused3 : wallet::MetaPage
URI : JSONRPCRequest
uriServer : PaymentServer
use_count : memusage::stl_shared_counter
use_current_time : node::ImportMempoolOptions
use_mempool : node::BlockCreateOptions
use_multiprocess : CommandLine
use_shared_memory : DatabaseOptions, wallet::DatabaseOptions
use_unsafe_sync : DatabaseOptions, wallet::DatabaseOptions
use_v2transport : CConnman::ReconnectionInfo, CNodeOptions
use_xor : kernel::BlockManagerOpts
UseBestSystemFont : OptionsModel
used : Arena::Stats, LockedPool::Stats
usedReceivingAddressesAction : BitcoinGUI
usedReceivingAddressesPage : WalletView
usedSendingAddressesAction : BitcoinGUI
usedSendingAddressesPage : WalletView
useExtraSpacing : PlatformStyle
user_data : btck_NotificationInterfaceCallbacks, btck_ValidationInterfaceCallbacks
user_data_destroy : btck_NotificationInterfaceCallbacks, btck_ValidationInterfaceCallbacks
userClosed : ModalOverlay
username : ProxyCredentials
utxoData : UpdateTest