1 files changed, 36 insertions, 0 deletions
diff --git a/libc/stdio/ctermid.c b/libc/stdio/ctermid.c
new file mode 100644
index 000000000..004b8fecf
--- /dev/null
+++ b/libc/stdio/ctermid.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 1991, 1997 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio.h>
+#include <string.h>
+
+
+/* Return the name of the controlling terminal.
+   If S is not NULL, the name is copied into it (it should be at
+   least L_ctermid bytes long), otherwise a static buffer is used.  */
+char *
+ctermid (s)
+     char *s;
+{
+  static char name[L_ctermid];
+
+  if (s == NULL)
+    s = name;
+
+  return strcpy (s, "/dev/tty");
+}