341 	file1 = argv[0];  in main()
359 	if (strcmp(file1, "-") == 0) {  in main()
367 	} else if (stat(file1, &stb1) < 0) {  in main()
369 		perror(file1);  in main()
374 		if (strcmp(file1, "-") == 0)  in main()
397 	filename(&file1, &file2, &stb1, &input_file1);  in main()
398 	filename(&file2, &file1, &stb2, &input_file2);  in main()
399 	if ((input[0] = fopen(file1, "r")) == NULL) {  in main()
401 		perror(file1);  in main()
424 			perror(ferror(input[0])? file1:file2);  in main()
455 			perror(ferror(input[0])? file1:file2);  in main()
462 		    file1, file2);  in main()
467 	prepare(0, file1);  in main()
1267 	setfile(&file1, &efile1, file1);  in diffdir()
1269 	argv[0] = file1;  in diffdir()
1271 	dir1 = setupdir(file1);  in diffdir()
1315 			gettext("Only in %.*s"), file1, efile1, 0, 0);  in diffdir()
1320 		    file1, efile1, file2, efile2);  in diffdir()
1323 		    file1, efile1, file2, efile2);  in diffdir()
1326 		    file1, efile1, file2, efile2);  in diffdir()
1365 	char *title, char *file1, char *efile1, char *file2, char *efile2)  in scanpr()  argument
1378 			    efile1 - file1 - 1, file1,  in scanpr()
1390 	char *file = which == 1 ? file1 : file2;  in only()
1463 	if (stat(file1, &stb1) == -1) {  in compare()
1465 		perror(file1);  in compare()
1478 		f1 = open(file1, O_RDONLY);  in compare()
1481 			perror(file1);  in compare()
1506 				    file1, file2);  in compare()
1515 				    file1, file2);  in compare()
1519 				if ((i = readlink(file1, buf1, BUFSIZ)) == -1) {  in compare()
1538 				    file1, file2);  in compare()
1546 				    file1, file2);  in compare()
1569 					file1, pfiletype(fmt1),  in compare()
1584 			perror(i < 0 ? file1: file2);  in compare()
1603 			file1, file2);  in compare()
1616 			    file1, file2);  in compare()
1628 			(void) printf("%s%s %s\n", title, file1, file2);  in compare()
1647 		(void) sprintf(etitle, "%s %s", file1, file2);  in calldiff()
2176 			perror((filen == 0) ? file1 : file2);  in getbufwchar()
2197 			perror((filen == 0) ? file1 : file2);  in getbufwchar()