void gtk_multi_vpaned_set_data(GtkMultiVPaned * multi_vpaned, char * key, gpointer value);
gpointer gtk_multi_vpaned_get_data(GtkMultiVPaned * multi_vpaned, char * key);
GtkWidget * gtk_multi_vpaned_get_widget(GtkMultiVPaned * multi_vpaned);
void gtk_multi_vpaned_set_data(GtkMultiVPaned * multi_vpaned, char * key, gpointer value);
gpointer gtk_multi_vpaned_get_data(GtkMultiVPaned * multi_vpaned, char * key);
GtkWidget * gtk_multi_vpaned_get_widget(GtkMultiVPaned * multi_vpaned);