|  | /* Copyright (C) 1994-2016 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 <stdio.h> | 
|  | #include <stdlib.h> | 
|  | #include <unistd.h> | 
|  |  | 
|  | static int | 
|  | check (const char *name, FILE *stream, int fd) | 
|  | { | 
|  | int sfd = fileno (stream); | 
|  | printf ("(fileno (%s) = %d) %c= %d\n", name, sfd, | 
|  | sfd == fd ? '=' : '!', fd); | 
|  | return sfd != fd; | 
|  | } | 
|  |  | 
|  | static int | 
|  | do_test (void) | 
|  | { | 
|  | return (check ("stdin", stdin, STDIN_FILENO) || | 
|  | check ("stdout", stdout, STDOUT_FILENO) || | 
|  | check ("stderr", stderr, STDERR_FILENO)); | 
|  | } | 
|  |  | 
|  | #define TEST_FUNCTION do_test () | 
|  | #include "../test-skeleton.c" |