if (cf_getopt(argc, argv, CF_SHORT_OPTS, CF_NO_LONG_OPTS, NULL) >= 0 ||
optind != argc - 2)
die("Usage: sort-test <input> <output>");
if (cf_getopt(argc, argv, CF_SHORT_OPTS, CF_NO_LONG_OPTS, NULL) >= 0 ||
optind != argc - 2)
die("Usage: sort-test <input> <output>");