-void unixctl_command_register(const char *name,
- void (*cb)(struct unixctl_conn *,
- const char *args));
+typedef void unixctl_cb_func(struct unixctl_conn *,
+ int argc, const char *argv[], void *aux);
+void unixctl_command_register(const char *name, const char *usage,
+ int min_args, int max_args,
+ unixctl_cb_func *cb, void *aux);