1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/stub/ttyname.c b/sysdeps/stub/ttyname.c
new file mode 100644
index 0000000000..1a7c559ee4
--- /dev/null
+++ b/sysdeps/stub/ttyname.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+
+
+char *__ttyname = NULL;
+
+/* Return the pathname of the terminal FD is open on, or NULL on errors.
+   The returned storage is good only until the next call to this function.  */
+char *
+DEFUN(ttyname, (fd), int fd)
+{
+  errno = ENOSYS;
+  return NULL;
+}
+
+
+#ifdef	 HAVE_GNU_LD
+
+#include <gnu-stabs.h>
+
+stub_warning(ttyname);
+
+#endif	/* GNU stabs.  */