flowspec_get_addr
flowspec_get_addr(f->data, f->len, type, is_v6, &addr, &plen, NULL);
int flowspec_get_addr(const uint8_t *, int, int, int, struct bgpd_addr *,
flowspec_get_addr(f->data, f->len, type, is_v6, &addr, &plen, NULL);
flowspec_get_addr(pflow->flow, pflow->len - PT_FLOW_SIZE,