/* Copyright (C) 2008 Free Software Foundation, Inc. Written by Zheng Da. This file is part of the GNU Hurd. The GNU Hurd 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. The GNU Hurd 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 the GNU Hurd; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define _GNU_SOURCE #include #include #include #include #include #include int main(int argc , char *argv[]) { mach_port_t device; mach_port_t master_device; error_t err; err = get_privileged_ports (0, &master_device); if (err) error (2, err, "cannot get device master port"); err = device_open (master_device, D_READ | D_WRITE, "eth0", &device); if (err) error (1, err, "device_open"); printf ("the device port is %d\n", device); err = device_open (master_device, D_READ | D_WRITE, "eth0", &device); if (err) error (1, err, "device_open"); printf ("the device port is %d\n", device); return 0; }