mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
|
/* 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));
|
||
|
|
}
|