- {"read-batch", 'f', POPT_ARG_STRING, &batch_ext, 'f'},
- {"write-batch", 'F', POPT_ARG_NONE, &write_batch, 0},
+ {"read-batch", 0, POPT_ARG_STRING, &batch_ext, OPT_READ_BATCH},
+ {"write-batch", 0, POPT_ARG_NONE, &write_batch},
+#ifdef INET6
+ {0, '4', POPT_ARG_VAL, &default_af_hint, AF_INET },
+ {0, '6', POPT_ARG_VAL, &default_af_hint, AF_INET6 },
+#endif