if (type_instance != NULL)
sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
if (type_instance != NULL)
sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));