| _HorizRuler | Horizontal ruler |
| _HorizRulerClass | Horizontal ruler class |
| _Ruler | All distances below are in 1/72nd's of an inch |
| _RulerClass | Ruler class definition |
| _VertRuler | Vertical ruler widget |
| _VertRulerClass | The parent of RulerClass |
| anchor_info | Description of anchors |
| avlnode | Avltree_node structure |
| avltree | Avltree_tree structure |
| cache | Cache main strurure - limits and internal varriables |
| cache_user | Cache user strucure |
| center_pass | Center-pass main structure |
| cmd | Command item structure |
| cmddata | A structure for data that are attached to each toolbar button |
| context | The context structure |
| dist_pass | Pass main structure |
| dist_pass_item | Pass item structure |
| dist_pass_result | Pass result structure |
| factory | The one and the only GO Factory instance |
| font_ctl | Control structure for font rendering |
| font_info | Structure with information about font |
| font_t1_info | Structure with information about Type1 font, including some Type1 specific fields |
| geom_approx | Curve approximation structure |
| geom_approx_item | Curve approximation item |
| geom_arc | Circle or circular arc |
| geom_bezier | Rational Bezier curve structure |
| geom_bezier_subdiv | List of subdivided parts of bezier curve |
| geom_bezier_subdiv_item | Single item in geom_bezier_subdiv |
| geom_conic | Conic or conic section |
| geom_curve | Curve header structure |
| geom_elliptic_arc | Ellipse or elliptic arc |
| geom_group | Ordered group of geom_node structures |
| geom_hyperbolic_arc | Hyperbola or hyperbolic arc |
| geom_item | Header of groupable geomlib structures |
| geom_matrix | Matrix structure |
| geom_nurbs | Nonuniform rational B-splines |
| geom_o | Class geom_o declaration (ancestor of all classes) |
| geom_parabolic_arc | Parabolic arc structure |
| geom_point | 2D point structure |
| geom_point_w | 2D point structure with weight |
| geom_rectangle | 2D rectangle structure |
| geom_rtree | RTree main data |
| geom_rtree_node | RTree internal node data |
| geom_rtree_obj | RTree object data |
| geom_rtree_query | RTree dynamic query structure |
| geom_segment | Segment structure |
| geom_transform | 2D affine transform matrix |
| geom_transform2 | 2D affine bidirectional transformator |
| geom_vector | 2D vector structure |
| go_info | Description of subtype of graphic object |
| hanger_info | Description of hangers |
| of_state | The structure for one GO factory state |
| plugin_arg | Union describing the type of allowed plugin function arguments and return values |
| plugin_function | Structure describing one registered plugin function |
| plugin_menu_cmd_rec | A GUI plugin command menu record |
| plugin_menu_rec | A GUI plugin menu record |
| plugin_rec | Structure describing one loaded plugin |
| prop_item | The property item structure used in property window for individual properties |
| prop_value | Value of property has one of those type and it depends on subtype of property |
| prop_virtual | Every subtype of graphic object has a link list of virtual properties |
| prop_window | The Property window structure |
| string_entry | Structure for referenced string |
| tex_glyph | One TeX glyph |
| text_edit | The Text editor window structure |
| trans | This structure contains data for one stack level of the trans |
| undo_kernel | Struct for one kernel operation |
| view | The View window structure |
| view_navigator | The View navigator structure |
| VrrKernelStore | The structure providing the mediator between GtkTreeView and our internal kernel structures |
| VrrKernelStoreClass | A structure needed by the GTK object system |
| VrrUndoStore | The structure providing the mediator between GtkTreeView and our internal kernel structures |
| window | The general window structure used for most GUI windows |
| wnd_main | Main window structure |
| wnd_plugins | The Plugin window structure |
| wnd_settings | The Global settings window strucure |
| wnd_style | The Style window structure |
| wnd_undo_history | The Undo history window structure |
| wnd_units | The Unit manager window structure |
| wnd_univ_browser | The Universe browser window structure |
| WndSelectColor | The main window structure. Its first member is the ancestor widget GtkBin. Other members are my private members |
| WndSelectColorClass | The WndSelectColorClass used by GTK object system |
1.3.5