+int plugin_dispatch_values (const char *name, value_list_t *vl);
+
+void plugin_log (int level, const char *format, ...);
+#define ERROR(...) plugin_log (LOG_ERR, __VA_ARGS__)
+#define WARNING(...) plugin_log (LOG_WARNING, __VA_ARGS__)
+#define NOTICE(...) plugin_log (LOG_NOTICE, __VA_ARGS__)
+#define INFO(...) plugin_log (LOG_INFO, __VA_ARGS__)
+#define DEBUG(...) plugin_log (LOG_DEBUG, __VA_ARGS__)