| Entry points | Entry points | Description | Section | Page |
|---|---|---|---|---|
| AbortTrapHandler | AbortTrapHandler | AbortTrap handler called for an access to unmapped memory | Abort trapping | |
| Acknowledgement Registration Callback | Acknowledgement Registration Callback | Registers a component's acknowledgement strings | Task Manager | |
| ColourMapTransfer | ColourMapTransfer | Colour mapping transfer function | ColourMapping of deep sprites | |
| CoreIRQHandler | CoreIRQHandler | Core IRQ handler | Hardware IRQ handler | |
| DebugInput | DebugInput | Debug character input function | OS_ReadSysInfo | |
| DebugOutput | DebugOutput | Debug character output function | OS_ReadSysInfo | |
| DeviceDriverRoutine | DeviceDriverRoutine | Device driver routine called by the IRQ module | Hardware IRQ handler | |
| DeviceIRQEnable | DeviceIRQEnable | Routine to enable or disable a device IRQ | Hardware IRQ handler | |
| DynamicAreaHandler_Abort | DynamicAreaHandler_Abort | Dynamic area handler: abort within the area | Abort-Trapping dynamic areas | |
| DynamicAreaHandler_TestShrink | DynamicAreaHandler_TestShrink | Dynamic area handler: test how far the area could shrink | Shrinkable dynamic areas | |
| GADGET_ADD | GADGET_ADD | Create a new gadget | Gadget handlers | |
| GADGET_FADE | GADGET_FADE | Fade or unfade a gadget | Gadget handlers | |
| GADGET_LOSTFOCUS | GADGET_LOSTFOCUS | Gadget lost the focus | Gadget handlers | |
| GADGET_MCLICK | GADGET_MCLICK | Mouse click on a gadget icon | Gadget handlers | |
| GADGET_METHOD | GADGET_METHOD | Perform a gadget method | Gadget handlers | |
| GADGET_MOVE | GADGET_MOVE | Move a gadget | Gadget handlers | |
| GADGET_MSCROLL | GADGET_MSCROLL | Mouse scroll on a gadget | Gadget handlers | |
| GADGET_PLOT | GADGET_PLOT | Plot a gadget (for !ResEd) | Gadget handlers | |
| GADGET_POSTADD | GADGET_POSTADD | Gadget post-add notification (reason 12) | Gadget handlers | |
| GADGET_REDRAW | GADGET_REDRAW | Redraw a region of a gadget | Gadget handlers | |
| GADGET_REMOVE | GADGET_REMOVE | Remove a gadget | Gadget handlers | |
| GADGET_SETFOCUS | GADGET_SETFOCUS | Set the focus to a gadget | Gadget handlers | |
| GADGET_TIMER | GADGET_TIMER | A gadget timer was triggered | Gadget handlers | |
| GADGET_WINDOWSHOW | GADGET_WINDOWSHOW | Parent window shown or hidden | Gadget handlers | |
| Get Rectangle Filter | Get Rectangle Filter | Nested Window Manager specification | ||
| IFR_BBox | IFR_BBox | Bounding box function for ImageFileRenderer | Image file renderer | |
| IFR_DeclareFonts | IFR_DeclareFonts | Declare fonts function for ImageFileRenderer | Image file renderer | |
| IFR_Info | IFR_Info | Information function for ImageFileRenderer | Image file renderer | |
| IFR_Render | IFR_Render | Rendering routine for ImageFileRender | Image file renderer | |
| IFR_Start | IFR_Start | Initialisation routine for ImageFileRender | Image file renderer | |
| IFR_Stop | IFR_Stop | Finalisation routine for ImageFileRender | Image file renderer | |
| IconBorder_Colour | IconBorder_Colour | Update the colours for an icon border on behalf of the WindowManager | Icon border filters | |
| IconBorder_Draw | IconBorder_Draw | Draw an icon border on behalf of the WindowManager | Icon border filters | |
| IconBorder_Fill | IconBorder_Fill | Fill an icon border on behalf of the WindowManager | Icon border filters | |
| IconBorder_Size | IconBorder_Size | Return the size available for text after rendering the icon border | Icon border filters | |
| IconBorder_State | IconBorder_State | Get information about the type of icon border filter | Icon border filters | |
| Packet filter code | Packet filter code | Entry point of a packet filter registered with Socket_Filter | Internet module packet filtering | |
| PolyHLine | PolyHLine | Plot a number of horizontal line segments (VDU variable 193) | VDU variables | |
| Post-Icon Filter | Post-Icon Filter | Nested Window Manager specification | ||
| Post-Rectangle Filter | Post-Rectangle Filter | Nested Window Manager specification | ||
| Rectangle Copy Filter | Rectangle Copy Filter | Nested Window Manager specification | ||
| Redraw_CallbackEntry | Redraw_CallbackEntry | Callback entry point for a region requiring redraw | Rendering into Windows | |
| StatisticSWI0 - SA_DESCRIBE | StatisticSWI 0 - SA_DESCRIBE | Obtain descriptions of a range of statistics | DCI4 Statistic Interface | |
| StatisticSWI1 - SA_READ | StatisticSWI 1 - SA_READ | Obtain the values of a range of statistics | DCI4 Statistic Interface | |
| VSyncDispatch | VSyncDispatch | VSync dispatch routine returned by OS_ScreenMode 255 | OS_ScreenMode changes | |
| VideoV_Context_HLine | VideoV_Context_HLine | Draw horizontal line | Video drivers | |
| VideoV_Context_Point | VideoV_Context_Point | Plot a point | Video drivers |