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[thirdparty/glibc.git] / stdio-common / ctermid.c

/* Copyright (C) 1991-2013 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, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <stdio.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;
{
  __set_errno (ENOSYS);
  return NULL;
}


stub_warning (ctermid)