bpfilterattach   1698 arch/i386/compile/GENERIC/ioconf.c extern void bpfilterattach(int);
bpfilterattach   1751 arch/i386/compile/GENERIC/ioconf.c 	{ bpfilterattach, 1 },
bpfilterattach    277 net/bpf.h      void	 bpfilterattach(int);