Variables starting with `b' in arch/i386/netboot

• block arch/i386/netboot/tftp.c:36
• boardid arch/i386/netboot/wd80x3.c:78
• BOOT_16_SEG arch/i386/netboot/start.s:186
• boot_area_org arch/i386/netboot/asm.s:196
• bp_vend arch/i386/netboot/bootp.h:51
• bx arch/i386/netboot/asm.s:127
• byte arch/i386/netboot/start.s:289