1 files changed, 38 insertions, 0 deletions
diff --git a/libio/fileno.c b/libio/fileno.c
new file mode 100644
index 0000000..fbea4d4
--- /dev/null
+++ b/libio/fileno.c
@@ -0,0 +1,38 @@
+/*
+Copyright (C) 1993, 1995 Free Software Foundation
+
+This file is part of the GNU IO Library.  This library is free
+software; you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+This 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this library; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+As a special exception, if you link this library with files
+compiled with a GNU compiler to produce an executable, this does not cause
+the resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why
+the executable file might be covered by the GNU General Public License. */
+
+#include "libioP.h"
+#include "stdio.h"
+
+int
+fileno (fp)
+     _IO_FILE* fp;
+{
+  CHECK_FILE (fp, EOF);
+
+  if (!(fp->_flags & _IO_IS_FILEBUF))
+    return EOF;
+
+  return _IO_fileno (fp);
+}