All symbols starting with `f' in arch/i386/boot

• find arch/i386/boot/sys.c:99
• five arch/i386/boot/start.s:226
• four arch/i386/boot/start.s:215
• FRAME arch/i386/boot/asm.h:107
• fs arch/i386/boot/boot.h:48
• fsbuf arch/i386/boot/sys.c:48