/* This file is part of GDBM test suite. Copyright (C) 2011, 2017-2018 Free Software Foundation, Inc. GDBM 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. GDBM 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 GDBM. If not, see . */ #include "autoconf.h" #include #include /* usage: fdop FD [FD...] Return: false if any of the FDs is open, true otherwise. */ int main (int argc, char **argv) { int fd = dup (0); while (--argc) { int n = atoi (*++argv); if (n < fd) return 1; } return 0; }