pfrkt_anchor
if (!strcmp(p->pfrkt_anchor, PF_RESERVED_ANCHOR))
if (!key.pfrkt_anchor[0])
bzero(key.pfrkt_anchor, sizeof(key.pfrkt_anchor));
if (strcmp(filter->pfrt_anchor, kt->pfrkt_anchor))
return (strcmp(p->pfrkt_anchor, q->pfrkt_anchor));