source: vendor/bash/3.1/CWRU/misc/open-files.c

/* open-files -- report files a process has open */

/* Copyright (C) 1989-2002 Free Software Foundation, Inc.

   This file is part of GNU Bash, the Bourne Again SHell.

   Bash is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; either version 2, or (at your option) any later
   version.

   Bash 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 General Public License
   for more details.

   You should have received a copy of the GNU General Public License along
   with Bash; see the file COPYING.  If not, write to the Free Software
   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */

#include <sys/types.h>
#include <fcntl.h>
#include <sys/file.h>
#include <stdio.h>

main()
{
        register int    i;

        for (i = 0; i < getdtablesize(); i++) {
                if (fcntl(i, F_GETFD, 0) != -1)
                        fprintf(stderr, "fd %d: open\n", i);
        }
        exit(0);
}