-int
-GNUNET_GETOPT_format_help_ (struct GNUNET_GETOPT_CommandLineProcessorContext
- *ctx, void *scls, const char *option,
- const char *value);
+struct GNUNET_GETOPT_CommandLineOption
+GNUNET_GETOPT_option_cfgfile (char **fn);
+
+
+/**
+ * Make the given option mandatory.
+ *
+ * @param opt option to modify
+ * @return @a opt with the mandatory flag set.
+ */
+struct GNUNET_GETOPT_CommandLineOption
+GNUNET_GETOPT_option_mandatory (struct GNUNET_GETOPT_CommandLineOption opt);
+
+
+/**
+ * Marker for the end of the list of options.
+ */
+#define GNUNET_GETOPT_OPTION_END \
+ { '\0', NULL, NULL, NULL, 0, 0, NULL, NULL, NULL }
+