text: /*
   * Copyright (c) 2012 Tristan Le Guern <tleguern@bouledef.eu>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #include <sys/types.h>
  #include <sys/ioctl.h>
  #include <sys/socket.h>
  
  #include <net/if.h>
  
  #include <string.h>
  
  #include "tuntap.h"
  
  int
  tuntap_sys_set_ipv6(struct device *dev, t_tun_in6_addr *s6, uint32_t bits) {
  	(void)dev;
  	(void)s6;
  	(void)bits;
  	tuntap_log(TUNTAP_LOG_NOTICE, "IPv6 is not implemented on your system");
  	return -1;
  }
  
  #ifndef SIOCSIFNAME
  int
  tuntap_sys_set_ifname(struct device *dev, const char *ifname, size_t len)
  {
    (void)dev;
    (void)ifname;
    (void)len;
    tuntap_log(TUNTAP_LOG_NOTICE,
               "Your system does not support tuntap_set_ifname()");
    /* just leave it as tunX, there doesn't seem to be any
     * practical manner of setting this param in NetBSD and its forks :-( 
     */
    return 0;
  }
  
  #endif