pfr_get_tstats
if (pfr_get_tstats(filter, b->pfrb_caddr, &(b->pfrb_size), 0))
int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *,
int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
RVTEST(pfr_get_tstats(&table,
error = pfr_get_tstats(&io->pfrio_table, io->pfrio_buffer,
int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);