Defines starting with `b' in bsd/dev/i386

• BACKGROUND_BYTE bsd/dev/i386/kmGraphics.m:45
• bel bsd/dev/i386/keycodes.h:46
• BG_MARGIN bsd/dev/i386/FBConsole.c:63
• BITSPIXEL bsd/dev/i386/kmGraphics.m:52
• BOTTOM_LINE bsd/dev/i386/VGAPriv.h:141
• bright bsd/dev/i386/keycodes.h:79
• BRIGHT_BREAK_TO_DEBUGGER_MASK bsd/dev/i386/ev_private.h:104
• bs bsd/dev/i386/keycodes.h:47