All symbols starting with `u' in iokit/Kernel

• unexpected iokit/Kernel/IODeviceTreeSupport.cpp:440
• UniqueProperties iokit/Kernel/IOCatalogue.cpp:51
• UNLOCK iokit/Kernel/IOMemoryDescriptor.cpp:880
• unlockWith iokit/Kernel/IOConditionLock.cpp:110
• unmap iokit/Kernel/IOMemoryDescriptor.cpp:1128
• unmapFromKernel iokit/Kernel/IOMemoryDescriptor.cpp:318
• updateOffset iokit/Kernel/IOKitDebug.cpp:119