Functions starting with `b' in iokit/Families/IOUSBBus

• BulkPacketHandler iokit/Families/IOUSBBus/IOUSBController.cpp:652
• BulkTransaction iokit/Families/IOUSBBus/IOUSBController.cpp:627
• bus iokit/Families/IOUSBBus/IOUSBNub.cpp:135
• busPowerAvailable iokit/Families/IOUSBBus/IOUSBNub.cpp:140