VikLoadType_t a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename );
gboolean a_file_save ( VikAggregateLayer *top, gpointer vp, const gchar *filename );
VikLoadType_t a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename );
gboolean a_file_save ( VikAggregateLayer *top, gpointer vp, const gchar *filename );