diff -r 2f259700e4f2 echo.c
--- a/echo.c	Sat Jun 25 18:49:32 2011 +0100
+++ b/echo.c	Tue Jun 28 15:29:52 2011 +0400
@@ -12,15 +12,12 @@
 	char c;
 
 	while((c = getopt(argc, argv, "n")) != -1)
-		switch(c) {
-		case 'n':
+		if(c == 'n')
 			nflag = true;
-			break;
-		default:
+		else
 			exit(EXIT_FAILURE);
-		}
-	for(; optind < argc; optind++)
-		putword(argv[optind]);
+	for(argv += optind; *argv; argv++)
+		putword(*argv);
 	if(!nflag)
 		putchar('\n');
 	return EXIT_SUCCESS;