#if defined(__MINGW__) || defined(__MINGW32__)
#include <windows.h>
#include <winsock2.h>
#else
#include <time.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <signal.h>
#endif /* __MINGW__ */

#include <sys/file.h>
#include <sys/stat.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>

#ifndef	INADDR_NONE
#define	INADDR_NONE	-1
#endif

// Maximum data in single I/O operation
#define	NETBUF_SIZE	4096

main()
{
  struct sockaddr_in	sin;
  int	size = sizeof(sin);
  int	status = 1;
  int	port;
  int	net;

  memset(&sin, '\0', sizeof(sin));
  sin.sin_family = AF_INET;
  sin.sin_addr.s_addr = htonl(INADDR_ANY);
  sin.sin_port = 0;

 if ((net = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0)
    {
      fprintf(stderr, "unable to create socket 1\n");
      return 2;
    }

  setsockopt(net, SOL_SOCKET, SO_REUSEADDR, (char *)&status, sizeof(status));

  if (bind(net, (struct sockaddr *)&sin, sizeof(sin)) < 0)
    {
      fprintf(stderr, "unable to bind socket 1\n");
      (void) close(net);
      return 2;
    }

  listen(net, 5);

  if (getsockname(net, (struct sockaddr*)&sin, &size) < 0)
    {
      fprintf(stderr, "unable to get socket 1 name\n");
      (void) close(net);
      return 2;
    }

  port = sin.sin_port;
  memset(&sin, '\0', sizeof(sin));
  sin.sin_family = AF_INET;
  sin.sin_addr.s_addr = htonl(INADDR_ANY);
  sin.sin_port = port;

  if ((net = socket(AF_INET, SOCK_STREAM, PF_UNSPEC)) < 0)
    {
      fprintf(stderr, "unable to create socket 2\n");
      return 2;
    }

  setsockopt(net, SOL_SOCKET, SO_REUSEADDR, (char *)&status, sizeof(status));

  /*
   * Now ... this bind should fail unless SO_REUSEADDR is broken.
   */
  if (bind(net, (struct sockaddr *)&sin, sizeof(sin)) < 0)
    {
      return 0;
    }
  return 1;
}