signal (SIGTERM, interrupt_handler);
#endif /* not SA_INTERRUPT */
- while ((optc = getopt_long (argc, argv, "f:b:kn:sqz", longopts, (int *) 0))
- != EOF)
+ while ((optc = getopt_long (argc, argv, "f:b:kn:sqz", longopts, NULL)) != -1)
switch (optc)
{
case 0: