| /* Copyright (C) 1994 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 <stdio.h> |
| #include <unistd.h> |
| |
| static int |
| DEFUN(check, (name, stream, fd), CONST char *name AND FILE *stream AND int fd) |
| { |
| int sfd = fileno (stream); |
| printf ("(fileno (%s) = %d) %c= %d\n", name, sfd, sfd == fd ? '=' : '!', fd); |
| return sfd != fd; |
| } |
| |
| int |
| DEFUN_VOID(main) |
| { |
| exit (check ("stdin", stdin, STDIN_FILENO) || |
| check ("stdout", stdout, STDOUT_FILENO) || |
| check ("stderr", stderr, STDERR_FILENO)); |
| } |