-int parse_options_usage(const char * const *usagestr,
- const struct option *opts)
+void usage_msg_opt(const char *msg,
+ const char * const *usagestr,
+ const struct option *options)
+{
+ fprintf(stderr, "%s\n\n", msg);
+ usage_with_options(usagestr, options);
+}
+
+static int parse_options_usage(struct parse_opt_ctx_t *ctx,
+ const char * const *usagestr,
+ const struct option *opts, int err)