Defined in 2 files as a macro:

• iokit/DriverKit/IOReturn.h, line 185 (as a macro)
• iokit/IOKit/IOReturn.h, line 183 (as a macro)

Referenced in 5 files:

• iokit/Kernel/IOCommandGate.cpp, line 225
• iokit/Kernel/IOHibernateIO.cpp
  • line 1436
  • line 2093
• iokit/Kernel/IOPolledInterface.cpp
  • line 394
  • line 410
• iokit/Kernel/IOService.cpp
  • line 7064
  • line 7142
• iokit/Kernel/IOUserServer.cpp, line 809