234 show_msg(str, fd, ctl, dat, flags)  in show_msg()  argument
237 	struct svr4_strbuf	*ctl;
245 	if (ctl != NULL) {
246 		if ((error = copyin(ctl, &buf, sizeof(buf))) != 0)
1471 	struct svr4_strbuf dat, ctl;  local
1483 	show_msg(">putmsg", uap->fd, uap->ctl,
1487 	if (uap->ctl != NULL) {
1488 	  if ((error = copyin(uap->ctl, &ctl, sizeof(ctl))) != 0) {
1496 		ctl.len = -1;
1517 	if (ctl.len < 0 || ctl.len > sizeof(sc)) {
1518 		DPRINTF(("putmsg: Bad control size %d != %d\n", ctl.len,
1523 	if ((error = copyin(ctl.buf, &sc, ctl.len)) != 0)
1557 		if (ctl.len == 8) {
1645 	struct svr4_strbuf dat, ctl;  local
1665 	show_msg(">getmsg", uap->fd, uap->ctl,
1669 	if (uap->ctl != NULL) {
1670 		if ((error = copyin(uap->ctl, &ctl, sizeof(ctl))) != 0)
1672 		if (ctl.len < 0)
1676 		ctl.len = -1;
1677 		ctl.maxlen = 0;
1697 	if (ctl.maxlen == -1 || dat.maxlen == -1) {
1728 		ctl.len = 8;
1772 		ctl.len = 40;
1787 		ctl.len = 8;
1818 			ctl.len = 40;
1826 			ctl.len = 134;
1847 		if (ctl.maxlen > 36 && ctl.len < 36)
1848 		    ctl.len = 36;
1850 		if (ctl.len > sizeof(sc))
1851 			ctl.len = sizeof(sc);
1853 		if ((error = copyin(ctl.buf, &sc, ctl.len)) != 0) {
1947 	if (uap->ctl) {
1948 		if (ctl.len > sizeof(sc))
1949 			ctl.len = sizeof(sc);
1950 		if (ctl.len != -1)
1951 			error = copyout(&sc, ctl.buf, ctl.len);
1954 			error = copyout(&ctl, uap->ctl, sizeof(ctl));
1983 	show_msg("<getmsg", uap->fd, uap->ctl,