Defined in 1 files as a macro:

• iokit/DriverKit/IOKitKeys.h, line 43 (as a macro)

Referenced in 3 files:

• iokit/Kernel/IORegistryEntry.cpp, line 778
• iokit/Kernel/IOStartIOKit.cpp, line 123
• tests/iokit/ioserviceusernotification_race.c, line 53