-int send_option_arg_callback_request(struct osl_object *options,
- int argc, char * const * const argv, afs_callback *f,
- callback_result_handler *result_handler,
- void *private_result_data);
-int send_standard_callback_request(int argc, char * const * const argv,
- afs_callback *f, callback_result_handler *result_handler,
- void *private_result_data);