Variables starting with `a' in iokit/IOKit/firewire

• ackCode iokit/IOKit/firewire/IOFWCommand.h:187
• addr iokit/IOKit/firewire/IOFWAddressSpace.h:53
• again iokit/IOKit/firewire/IOFireWirePriv.h:394
• argument iokit/IOKit/firewire/IOFireWireUnit.h:71