snprintf(ppdev, sizeof(ppdev), "/dev/parport%d", parportnum);
DPRINTF("opening %s\n", ppdev);
parportfd = open(ppdev, O_RDWR|O_EXCL);
snprintf(ppdev, sizeof(ppdev), "/dev/parport%d", parportnum);
DPRINTF("opening %s\n", ppdev);
parportfd = open(ppdev, O_RDWR|O_EXCL);