af_flowinfo
if (flowmap->af_flowinfo.fi_family == AF_INET) {
if (flowmap->af_flowinfo.fi_len != sizeof(struct flowinfo_in))
} else if (flowmap->af_flowinfo.fi_family == AF_INET6) {
if (flowmap->af_flowinfo.fi_len != sizeof(struct flowinfo_in6))
(void)memcpy(&afm->afm_flowinfo, &flowmap->af_flowinfo,
flowmap->af_flowinfo.fi_len);