196 static LINE	zero;  variable
508 		addr1 = zero + 1;  in commands()
591 		addr2 = zero;  in commands()
688 				count = a1 - zero;  in commands()
740 		n = zero != dol;  in commands()
790 		if ((linebuf[0] != '.') && (zero != dol) &&  in commands()
791 			(addr1 <= zero || addr2 > dol))  in commands()
859 		fchange = (((addr1 == zero) || (addr1 == (zero + 1))) &&  in commands()
876 		fchange = (((addr1 == zero) || (addr1 == (zero + 1))) &&  in commands()
913 		count = (addr2-zero)&077777;  in commands()
960 				a1 = zero;  in address()
996 						a1 = zero;  in address()
999 					if (a1 < zero)  in address()
1021 			for (a1 = zero; a1 <= dol; a1++)  in address()
1034 			if ((linebuf[0] != '.') && (a1 < zero || a1 > dol))  in address()
1056 		addr1 = zero+1;  in setall()
1058 		if (dol == zero)  in setall()
1059 			addr1 = zero;  in setall()
1076 	if ((linebuf[0] != '.') && (addr1 <= zero || addr2 > dol))  in nonzero()
1084 	if (addr1 == zero) {  in setzeroasone()
1085 		addr1 = zero+1;  in setzeroasone()
1087 	if (addr2 == zero) {  in setzeroasone()
1088 		addr2 = zero+1;  in setzeroasone()
1221 	if (dol > zero && fchange == 1) {  in onhup()
1222 		addr1 = zero+1;  in onhup()
1419 		count = (++dot-zero)&077777;  in getfile()
1445 			count = (a1-zero-1)&077777;  in putfile()
1658 	for (a1 = zero+1; (a1->cur&01) == 0; a1++)  in gdelete()
1780 		if (dol != zero)  in blkio()
1825 	dot = zero = dol = savdot = savdol = fendcore;  in init()
1875 	for (a1 = zero; a1 <= dol; a1++) {  in global()
1887 	for (a1 = zero; a1 <= dol; a1++) {  in global()
1895 			a1 = zero;  in global()
2289 		if (addr == zero)  in execute()
2572 	for (a1 = zero; a1 <= dol; a1++) {  in globaln()
2590 	for (a1 = zero; a1 <= dol; a1++) {  in globaln()
2600 				a1 = zero;  in globaln()
2641 			a1 = zero;  in globaln()
3119 	for (i = zero + 1; i <= dol; i++)  in save()
3139 	for (i = zero + 1; i <= ((dol > savdol) ? dol : savdol); i++) {  in undo()