pfioc_if         1743 net/pf_ioctl.c 		struct pfioc_if	*pi = (struct pfioc_if *)addr;
pfioc_if         1376 net/pfvar.h    struct pfioc_if {
pfioc_if         1476 net/pfvar.h    #define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)