199 static LINE	dol;  variable
508 		addr2 = dol;  in commands()
521 		addr2 = dol;  in commands()
569 			(addr2 <= dol))  in commands()
711 		save28 = (dol != fendcore);  in commands()
739 		n = zero != dol;  in commands()
789 		if ((linebuf[0] != '.') && (zero != dol) &&  in commands()
790 			(addr1 <= zero || addr2 > dol))  in commands()
859 			(addr2 == dol)) ? 0 : 1;  in commands()
876 			(addr2 == dol)) ? 0 : 1;  in commands()
994 					if (a1 > dol)  in address()
999 						a1 = dol;  in address()
1010 			a1 = dol;  in address()
1020 			for (a1 = zero; a1 <= dol; a1++)  in address()
1033 			if ((linebuf[0] != '.') && (a1 < zero || a1 > dol))  in address()
1056 		addr2 = dol;  in setall()
1057 		if (dol == zero)  in setall()
1075 	if ((linebuf[0] != '.') && (addr1 <= zero || addr2 > dol))  in nonzero()
1220 	if (dol > zero && fchange == 1) {  in onhup()
1222 		addr2 = dol;  in onhup()
1460 			if (dol->cur == 0L)break; /* Allow write of null file */  in putfile()
1485 		if (dol >= endcore) {  in append()
1494 		a1 = ++dol;  in append()
1633 	a3 = dol;  in rdelete()
1634 	dol -= a2 - a1;  in rdelete()
1639 	if (a1 > dol)  in rdelete()
1640 		a1 = dol;  in rdelete()
1650 	a3 = dol;  in gdelete()
1661 	dol = a1-1;  in gdelete()
1662 	if (dot > dol)  in gdelete()
1663 		dot = dol;  in gdelete()
1773 		if (dol != zero)  in blkio()
1818 	dot = zero = dol = savdot = savdol = fendcore;  in init()
1868 	for (a1 = zero; a1 <= dol; a1++) {  in global()
1880 	for (a1 = zero; a1 <= dol; a1++) {  in global()
2204 		ad1 = dol;  in move()
2206 		ad2 = dol;  in move()
2565 	for (a1 = zero; a1 <= dol; a1++) {  in globaln()
2583 	for (a1 = zero; a1 <= dol; a1++) {  in globaln()
3102 	savdol = dol;  in save()
3106 	for (i = zero + 1; i <= dol; i++)  in save()
3124 	tmpdol = dol; dol = savdol; savdol = tmpdol;  in undo()
3126 	for (i = zero + 1; i <= ((dol > savdol) ? dol : savdol); i++) {  in undo()