Defined in 4 files as a prototype:

• iokit/IOKit/IODMACommand.h, line 324 (as a prototype)
• iokit/IOKit/IODataQueue.h, line 155 (as a prototype)
• iokit/IOKit/IOMemoryDescriptor.h, line 993 (as a prototype)
• iokit/IOKit/IOSharedDataQueue.h, line 118 (as a prototype)

Defined in 4 files as a function:

• iokit/Kernel/IODMACommand.cpp, line 475 (as a function)
• iokit/Kernel/IODataQueue.cpp, line 295 (as a function)
• iokit/Kernel/IOMemoryDescriptor.cpp, line 5945 (as a function)
• iokit/Kernel/IOSharedDataQueue.cpp, line 157 (as a function)

Referenced in 2 files:

• iokit/Kernel/IOUserClient.cpp, line 4894
• iokit/bsddev/skywalk/IOSkywalkSupport.cpp, line 383