1: /* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3: 
    4:    The GNU C Library is free software; you can redistribute it and/or
    5:    modify it under the terms of the GNU Lesser General Public
    6:    License as published by the Free Software Foundation; either
    7:    version 2.1 of the License, or (at your option) any later version.
    8: 
    9:    The GNU C Library is distributed in the hope that it will be useful,
   10:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   11:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   12:    Lesser General Public License for more details.
   13: 
   14:    You should have received a copy of the GNU Lesser General Public
   15:    License along with the GNU C Library; if not, write to the Free
   16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   17:    02111-1307 USA.  */
   18: 
   19: #include <stddef.h>
   20: #include <errno.h>
   21: #include <unistd.h>
   22: 
   23: /* Return the login name of the user, or NULL if it can't be determined.
   24:    The returned pointer, if not NULL, is good only until the next call.  */
   25: char *
   26: getlogin (void)
   27: {
   28:   __set_errno (ENOSYS);
   29:   return NULL;
   30: }
   31: 
   32: stub_warning (getlogin)
   33: #include <stub-tag.h>