1 files changed, 21 insertions, 0 deletions
diff --git a/newlib/libc/sys/mmixware/isatty.c b/newlib/libc/sys/mmixware/isatty.c
new file mode 100644
index 000000000..54647f62e
--- /dev/null
+++ b/newlib/libc/sys/mmixware/isatty.c
@@ -0,0 +1,21 @@
+/* isatty for MMIXware.
+
+   Copyright (C) 2001 Hans-Peter Nilsson.
+
+   Permission to use, copy, modify, and distribute this software is freely
+   granted, provided that this notice is preserved with no changes.
+   THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+   IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+   PURPOSE.  */
+
+#include <_ansi.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "sys/syscall.h"
+
+isatty (fd)
+     int fd;
+{
+  return fd == 0 || fd == 1 || fd == 2;
+}