--- libaitio/example/test_exec.c	2013/12/06 01:05:04	1.1.2.8
+++ libaitio/example/test_exec.c	2013/12/08 20:43:22	1.1.2.10
@@ -52,8 +52,11 @@ main(int argc, char **argv)
 again:
 	f = io_progAttach(p);
 	printf("f=%d\n", f);
+	write(f, "\n", 1);
+	memset(str, 0, sizeof str);
 	while (read(f, str, sizeof str) > 0) {
 		printf(">>> %s", str);
+		memset(str, 0, sizeof str);
 		read(0, str, sizeof str);
 		if (*str == '.')
 			break;
@@ -61,7 +64,7 @@ again:
 	}
 	io_progDetach(p, f);
 
-	printf("wait for keystroke %p ", p);
+	printf("(r) wait for keystroke %p ", p);
 	if (getchar() == 'a')
 		goto again;
 end: