func: static int floppy_probe_device(const char *filename)
  
  {
  
      int fd, ret;
  
      int prio = 0;
  
      struct floppy_struct fdparam;
  
      struct stat st;
  
  
  
      if (strstart(filename, "/dev/fd", NULL) &&
  
          !strstart(filename, "/dev/fdset/", NULL)) {
  
          prio = 50;
  
      }
  
  
  
      fd = qemu_open(filename, O_RDONLY | O_NONBLOCK);
  
      if (fd < 0) {
  
          goto out;
  
      }
  
      ret = fstat(fd, &st);
  
      if (ret == -1 || !S_ISBLK(st.st_mode)) {
  
          goto outc;
  
      }
  
  
  
      /* Attempt to detect via a floppy specific ioctl */
  
      ret = ioctl(fd, FDGETPRM, &fdparam);
  
      if (ret >= 0)
  
          prio = 100;
  
  
  
  outc:
  
      qemu_close(fd);
  
  out:
  
      return prio;
  
  }
  