pf_user_strcpy
ret = pf_user_strcpy(kpool->ifname, pool->ifname,
ret = pf_user_strcpy(krule->label[0], rule->label, sizeof(rule->label));
ret = pf_user_strcpy(krule->ifname, rule->ifname, sizeof(rule->ifname));
ret = pf_user_strcpy(krule->qname, rule->qname, sizeof(rule->qname));
ret = pf_user_strcpy(krule->pqname, rule->pqname, sizeof(rule->pqname));
ret = pf_user_strcpy(krule->tagname, rule->tagname,
ret = pf_user_strcpy(krule->match_tagname, rule->match_tagname,
ret = pf_user_strcpy(krule->overload_tblname, rule->overload_tblname,
error = pf_user_strcpy(V_pf_status.ifname, pi->ifname, IFNAMSIZ);
error = pf_user_strcpy(ps.ifname, psp->ifname, IFNAMSIZ);