738 	if ((tp->t_eucp_mp = allocb(_TTY_BUFSIZ, BPRI_HI)) != NULL) {  in ldtermopen()
739 		tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldtermopen()
933 	freemsg(tp->t_eucp_mp);  in ldtermclose()
1143 					ASSERT(tp->t_eucp_mp);  in ldtermrput()
1144 					tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldtermrput()
1190 			ASSERT(tp->t_eucp_mp);  in ldtermrput()
1191 			tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldtermrput()
1508 			ASSERT(tp->t_eucp_mp);  in ldtermrsrv()
1509 			tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldtermrsrv()
1611 			ASSERT(tp->t_eucp_mp);  in ldtermrmsg()
1612 			tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldtermrmsg()
1941 				ASSERT(tp->t_eucp_mp);  in ldterm_docanon()
1942 				tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldterm_docanon()
2028 			ASSERT(tp->t_eucp_mp);  in ldterm_docanon()
2029 			tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldterm_docanon()
2233 		ASSERT(tp->t_eucp_mp);  in ldterm_tabcols()
2236 		readp = tp->t_eucp_mp->b_rptr;  in ldterm_tabcols()
2627 			tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldterm_kill()
3020 		ASSERT(tp->t_eucp_mp);  in ldterm_msg_upstream()
3021 		tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldterm_msg_upstream()
4407 				if (!tp->t_eucp_mp) {  in ldterm_do_ioctl()
4408 					if ((tp->t_eucp_mp = allocb(_TTY_BUFSIZ,  in ldterm_do_ioctl()
4431 						    tp->t_eucp_mp->b_rptr;  in ldterm_do_ioctl()
4436 						    tp->t_eucp_mp->b_rptr;  in ldterm_do_ioctl()
4442 			} else if (tp->t_eucp_mp) {  in ldterm_do_ioctl()
4443 				freemsg(tp->t_eucp_mp);  in ldterm_do_ioctl()
4444 				tp->t_eucp_mp = NULL;  in ldterm_do_ioctl()
4635 			if (!tp->t_eucp_mp) {  in ldterm_do_ioctl()
4636 				if (!(tp->t_eucp_mp = allocb(_TTY_BUFSIZ,  in ldterm_do_ioctl()
4652 					tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldterm_do_ioctl()
4656 					tp->t_eucp = tp->t_eucp_mp->b_rptr;  in ldterm_do_ioctl()
4709 			if (tp->t_eucp_mp) {  in ldterm_do_ioctl()
4710 				freemsg(tp->t_eucp_mp);  in ldterm_do_ioctl()
4711 				tp->t_eucp_mp = NULL;  in ldterm_do_ioctl()
5066 	bottom = tp->t_eucp_mp->b_rptr;  in ldterm_csi_erase()