Defined in 4 files as a prototype:

• iokit/IOKit/IOPlatformExpert.h, line 307 (as a prototype)
• iokit/IOKit/IOService.h, line 1233 (as a prototype)
• iokit/IOKit/IOService.h, line 1237 (as a prototype)
• iokit/Kernel/IOServicePrivate.h, line 190 (as a prototype)

Defined in 4 files as a function:

• iokit/Kernel/IOPlatformExpert.cpp, line 1526 (as a function)
• iokit/Kernel/IOService.cpp, line 4918 (as a function)
• iokit/Kernel/IOService.cpp, line 5588 (as a function)
• iokit/Kernel/IOService.cpp, line 5648 (as a function)

Referenced in 2 files:

• iokit/Kernel/IOService.cpp, line 5596
• iokit/Kernel/IOUserClient.cpp, line 3432