185 			eibuf = roff_sprintf(ibuf+strlen(ibuf), ".nr %c %s\n",  in main()
343 	eibuf = ibufp = ibuf;  in init0()
344 	ibuf[0] = 0;  in init0()
399 	eibuf = roff_sprintf(ibuf+strlen(ibuf), ".ds .T %s\n", devname);  in init2()
401 	cpushback(ibuf);  in init2()
402 	ibufp = ibuf;  in init2()
1053 			if ((j = read(ifile, ibuf, IBUFSZ)) <= 0)  in getch0()
1055 			ibufp = ibuf;  in getch0()
1056 			eibuf = ibuf + j;  in getch0()
1232 		q = ibuf;  in popf()
1240 	   || (i = read(ifile, ibuf, IBUFSZ)) < 0)  in popf()
1242 	eibuf = ibuf + i;  in popf()
1243 	ibufp = ibuf;  in popf()
1246 		if ((ibufp = ibuf + (int)(ioff & (IBUFSZ - 1))) > eibuf)  in popf()
1369 		p = ibuf;