#include <io.h>
#include <stdio.h>
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>

#define IsConsoleHandle(h) (((long) (h) & 3) == 3)

BOOL IsConsoleHandle2 (HANDLE h)
{
  DWORD mode;
  return GetConsoleMode (h, &mode) != 0;
}

#define ISATTY(fd) (isatty(fd) && lseek(fd,SEEK_CUR,0) == -1)

int main (int argc, char **argv)
{
  printf ("isatty (stdin): %d\n", isatty (fileno (stdin)));
  printf ("IsConsoleHandle (stdin): %d\n",
          IsConsoleHandle ((HANDLE) _get_osfhandle (fileno (stdin))));
  printf ("IsConsoleHandle2 (stdin): %d\n",
          IsConsoleHandle2 ((HANDLE) _get_osfhandle (fileno (stdin))));
  printf ("ISATTY (stdin): %d\n", ISATTY (fileno (stdin)));

  printf ("isatty (stdout): %d\n", isatty (fileno (stdout)));
  printf ("IsConsoleHandle (stdout): %d\n",
          IsConsoleHandle ((HANDLE) _get_osfhandle (fileno (stdout))));
  printf ("IsConsoleHandle2 (stdout): %d\n",
          IsConsoleHandle2 ((HANDLE) _get_osfhandle (fileno (stdout))));
  printf ("ISATTY (stdout): %d\n", ISATTY (fileno (stdout)));

  return 0;
}