pfi_get_ifaces
if (pfi_get_ifaces(NULL, skip_b.pfrb_caddr, &skip_b.pfrb_size))
int pfi_get_ifaces(const char *, struct pfi_kif *, int *);
if (pfi_get_ifaces(filter, b.pfrb_caddr, &b.pfrb_size))
void pfi_get_ifaces(const char *, struct pfi_kif *, int *);
pfi_get_ifaces(io->pfiio_name, ifstore, &io->pfiio_size);