glibc/sysdeps/unix/sysv/linux/ifreq.h

/* Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Andreas Jaeger <aj@suse.de>.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <net/if.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include "kernel-features.h"

/* Variable to signal whether SIOCGIFCONF is not available.  */
#if __ASSUME_SIOCGIFNAME == 0 || 1
static int old_siocgifconf;
#else
# define old_siocgifconf 0
#endif


extern void __ifreq (struct ifreq **ifreqs, int *num_ifs, int sockfd);

static inline struct ifreq *
__if_nextreq (struct ifreq *ifr)
{
  return ifr + 1;
}

static inline void
__if_freereq (struct ifreq *ifreqs, int num_ifs)
{
  free (ifreqs);
}