--- libaitio/example/test_exec.c	2013/12/06 01:03:02	1.1.2.7
+++ libaitio/example/test_exec.c	2013/12/08 20:43:22	1.1.2.10
@@ -10,7 +10,7 @@ int
 main(int argc, char **argv)
 {
 	prog_t *p;
-	FILE *f;
+	int f;
 	int ret = 0;
 	char str[BUFSIZ];
 
@@ -51,17 +51,20 @@ main(int argc, char **argv)
 
 again:
 	f = io_progAttach(p);
-	printf("f=%p\n", f);
-	while (read(fileno(f), str, sizeof str) > 0) {
+	printf("f=%d\n", f);
+	write(f, "\n", 1);
+	memset(str, 0, sizeof str);
+	while (read(f, str, sizeof str) > 0) {
 		printf(">>> %s", str);
-		fgets(str, sizeof str, stdin);
+		memset(str, 0, sizeof str);
+		read(0, str, sizeof str);
 		if (*str == '.')
 			break;
-		write(fileno(f), str, strlen(str));
+		write(f, str, strlen(str));
 	}
 	io_progDetach(p, f);
 
-	printf("wait for keystroke %p ", p);
+	printf("(r) wait for keystroke %p ", p);
 	if (getchar() == 'a')
 		goto again;
 end: