#ifndef WIN32

#  include <sys/types.h>
#  include <sys/socket.h>
#  include <net/if.h>
#  include <netdb.h>

#  if HAVE_SOCKET_IOCTLS
#    include <sys/ioctl.h>
#    include <netinet/in.h>
#    include <arpa/inet.h>
#if defined(__sun)
#include <unistd.h>
#include <stropts.h>
#include <sys/sockio.h>
#endif
#  endif /* HAVE_SOCKET_IOCTLS */

/* For logical interfaces support we convert all names to same name prefixed with l */
#if HAVE_SIOCGLIFNUM
#define CNAME(x) l##x
#else
#define CNAME(x) x
#endif

#if HAVE_NET_IF_DL_H
#  include <net/if_dl.h>
#endif

/* For Linux, include all the sockaddr
   definitions we can lay our hands on. */
#if !HAVE_SOCKADDR_SA_LEN
#  if HAVE_NETASH_ASH_H
#    include <netash/ash.h>
#  endif
#  if HAVE_NETATALK_AT_H
#    include <netatalk/at.h>
#  endif
#  if HAVE_NETAX25_AX25_H
#    include <netax25/ax25.h>
#  endif
#  if HAVE_NETECONET_EC_H
#    include <neteconet/ec.h>
#  endif
#  if HAVE_NETIPX_IPX_H
#    include <netipx/ipx.h>
#  endif
#  if HAVE_NETPACKET_PACKET_H
#    include <netpacket/packet.h>
#  endif
#  if HAVE_NETROSE_ROSE_H
#    include <netrose/rose.h>
#  endif
#  if HAVE_LINUX_IRDA_H
#    include <linux/irda.h>
#  endif
#  if HAVE_LINUX_ATM_H
#    include <linux/atm.h>
#  endif
#  if HAVE_LINUX_LLC_H
#    include <linux/llc.h>
#  endif
#  if HAVE_LINUX_TIPC_H
#    include <linux/tipc.h>
#  endif
#  if HAVE_LINUX_DN_H
#    include <linux/dn.h>
#  endif

/* Map address families to sizes of sockaddr structs */
static int af_to_len(int af) 
{
	switch (af) 
	{
  	case AF_INET: return sizeof (struct sockaddr_in);
#if defined(AF_INET6) && HAVE_SOCKADDR_IN6
  	case AF_INET6: return sizeof (struct sockaddr_in6);
#endif
#if defined(AF_AX25) && HAVE_SOCKADDR_AX25
#  if defined(AF_NETROM)
  	case AF_NETROM: /* I'm assuming this is carried over x25 */
#  endif
  	case AF_AX25: return sizeof (struct sockaddr_ax25);
#endif
#if defined(AF_IPX) && HAVE_SOCKADDR_IPX
  	case AF_IPX: return sizeof (struct sockaddr_ipx);
#endif
#if defined(AF_APPLETALK) && HAVE_SOCKADDR_AT
  	case AF_APPLETALK: return sizeof (struct sockaddr_at);
#endif
#if defined(AF_ATMPVC) && HAVE_SOCKADDR_ATMPVC
  	case AF_ATMPVC: return sizeof (struct sockaddr_atmpvc);
#endif
#if defined(AF_ATMSVC) && HAVE_SOCKADDR_ATMSVC
  	case AF_ATMSVC: return sizeof (struct sockaddr_atmsvc);
#endif
#if defined(AF_X25) && HAVE_SOCKADDR_X25
  	case AF_X25: return sizeof (struct sockaddr_x25);
#endif
#if defined(AF_ROSE) && HAVE_SOCKADDR_ROSE
  	case AF_ROSE: return sizeof (struct sockaddr_rose);
#endif
#if defined(AF_DECnet) && HAVE_SOCKADDR_DN
  	case AF_DECnet: return sizeof (struct sockaddr_dn);
#endif
#if defined(AF_PACKET) && HAVE_SOCKADDR_LL
  	case AF_PACKET: return sizeof (struct sockaddr_ll);
#endif
#if defined(AF_ASH) && HAVE_SOCKADDR_ASH
  	case AF_ASH: return sizeof (struct sockaddr_ash);
#endif
#if defined(AF_ECONET) && HAVE_SOCKADDR_EC
  	case AF_ECONET: return sizeof (struct sockaddr_ec);
#endif
#if defined(AF_IRDA) && HAVE_SOCKADDR_IRDA
  	case AF_IRDA: return sizeof (struct sockaddr_irda);
#endif
	}
	return sizeof (struct sockaddr);
}

#define SA_LEN(sa)      af_to_len(sa->sa_family)
#if HAVE_SIOCGLIFNUM
#define SS_LEN(sa)      af_to_len(sa->ss_family)
#else
#define SS_LEN(sa)      SA_LEN(sa)
#endif
#else
//remove a warning on openbsd
#ifndef SA_LEN
#define SA_LEN(sa)      sa->sa_len
#endif
#endif /* !HAVE_SOCKADDR_SA_LEN */

#  if HAVE_GETIFADDRS
#    include <ifaddrs.h>
#  endif /* HAVE_GETIFADDRS */

#  if !HAVE_GETIFADDRS && (!HAVE_SOCKET_IOCTLS || !HAVE_SIOCGIFCONF)
/* If the platform doesn't define, what we need, barf.  If you're seeing this,
   it means you need to write suitable code to retrieve interface information
   on your system. */
#    error You need to add code for your platform.
#  endif

#else /* defined(WIN32) */

#include <windows.h>
#include <winsock2.h>
#include <iphlpapi.h>

#endif /* defined(WIN32) */

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

/* On systems without AF_LINK (Windows, for instance), define it anyway, but
   give it a crazy value.  On Linux, which has AF_PACKET but not AF_LINK,
   define AF_LINK as the latter instead. */
#ifndef AF_LINK
#  ifdef AF_PACKET
#    define AF_LINK  AF_PACKET
#  else
#    define AF_LINK  -1000
#  endif
#  define HAVE_AF_LINK 0
#else
#  define HAVE_AF_LINK 1
#endif


//Prototypes
//Get a list of the adresses for a network interface
VALUE rbnetifaces_s_addresses (VALUE class, VALUE dev);
//Get a list of the network interfaces 
VALUE rbnetifaces_s_interfaces (VALUE self);