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

• BitRangePhase iokit/IOKit/firewire/IOFWIsoch.h:66
• buf iokit/IOKit/firewire/IOFWAddressSpace.h:53
• buffer iokit/IOKit/firewire/IOFWIsoch.h:116
• bus iokit/IOKit/firewire/IOFWCommand.h:45