Defined in 4 files as a prototype:

• iokit/IOKit/IOPlatformExpert.h, line 336 (as a prototype)
• iokit/IOKit/IOService.h, line 1284 (as a prototype)
• iokit/IOKit/IOService.h, line 1288 (as a prototype)
• iokit/Kernel/IOServicePrivate.h, line 194 (as a prototype)

Defined in 4 files as a function:

• iokit/Kernel/IOPlatformExpert.cpp, line 1643 (as a function)
• iokit/Kernel/IOService.cpp, line 5160 (as a function)
• iokit/Kernel/IOService.cpp, line 5847 (as a function)
• iokit/Kernel/IOService.cpp, line 5912 (as a function)

Referenced in 2 files:

• iokit/Kernel/IOService.cpp, line 5856
• iokit/Kernel/IOUserClient.cpp, line 3491