Typedefs starting with `b' in iokit/IOKit/ndrvsupport

• Byte iokit/IOKit/ndrvsupport/IOMacOSTypes.h:83
• ByteCount iokit/IOKit/ndrvsupport/IOMacOSTypes.h:217
• BytePtr iokit/IOKit/ndrvsupport/IOMacOSTypes.h:215