Added a temporary isatty() implementation (just checks for the fd number for now).

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3144 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/libroot/posix/unistd/Jamfile

@@ -17,6 +17,7 @@ KernelMergeObject posix_unistd.o :
 	<$(SOURCE_GRIST)>open.c
 	<$(SOURCE_GRIST)>read.c
 	<$(SOURCE_GRIST)>sleep.c
+	<$(SOURCE_GRIST)>terminal.c
 	<$(SOURCE_GRIST)>truncate.c
 	<$(SOURCE_GRIST)>usergroup.c
 	<$(SOURCE_GRIST)>usleep.c

src/kernel/libroot/posix/unistd/terminal.c

@@ -0,0 +1,17 @@
+/* 
+** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
+#include <unistd.h>
+#include <stdio.h>
+
+
+int
+isatty(int file)
+{
+	// ToDo: please fix me!
+	return file < 3;
+}
+