Defines starting with `b' in arch/i386/i386

• BITS24 arch/i386/i386/math_emu.h:75
• BITS53 arch/i386/i386/math_emu.h:76
• BITS64 arch/i386/i386/math_emu.h:77
• BSDVM_COMPAT arch/i386/i386/pmap.c:97
• BX arch/i386/i386/db_disasm.c:88
• BYTE arch/i386/i386/db_disasm.c:65