The behaviour of the interfaces in this library is specified by the following Standards.
| Linux Standard Base |
Table A-3. libXt Function Interfaces
| XtAddActions[1] | XtCvtStringToInitialState[1] | XtOwnSelectionIncremental[1] |
| XtAddCallback[1] | XtCvtStringToInt[1] | XtParent[1] |
| XtAddCallbacks[1] | XtCvtStringToPixel[1] | XtParseAcceleratorTable[1] |
| XtAddConverter[1] | XtCvtStringToRestartStyle[1] | XtParseTranslationTable[1] |
| XtAddEventHandler[1] | XtCvtStringToShort[1] | XtPeekEvent[1] |
| XtAddExposureToRegion[1] | XtCvtStringToTranslationTable[1] | XtPending[1] |
| XtAddGrab[1] | XtCvtStringToUnsignedChar[1] | XtPopdown[1] |
| XtAddInput[1] | XtCvtStringToVisual[1] | XtPopup[1] |
| XtAddRawEventHandler[1] | XtDatabase[1] | XtPopupSpringLoaded[1] |
| XtAddSignal[1] | XtDestroyApplicationContext[1] | XtProcessEvent[1] |
| XtAddTimeOut[1] | XtDestroyGC[1] | XtProcessLock[1] |
| XtAddWorkProc[1] | XtDestroyWidget[1] | XtProcessUnlock[1] |
| XtAllocateGC[1] | XtDirectConvert[1] | XtQueryGeometry[1] |
| XtAppAddActionHook[1] | XtDisownSelection[1] | XtRealizeWidget[1] |
| XtAppAddActions[1] | XtDispatchEvent[1] | XtRealloc[1] |
| XtAppAddBlockHook[1] | XtDispatchEventToWidget[1] | XtRegisterCaseConverter[1] |
| XtAppAddConverter[1] | XtDisplay[1] | XtRegisterDrawable[1] |
| XtAppAddInput[1] | XtDisplayInitialize[1] | XtRegisterExtensionSelector[1] |
| XtAppAddSignal[1] | XtDisplayOfObject[1] | XtRegisterGrabAction[1] |
| XtAppAddTimeOut[1] | XtDisplayStringConversionWarning[1] | XtReleaseGC[1] |
| XtAppAddWorkProc[1] | XtDisplayToApplicationContext[1] | XtReleasePropertyAtom[1] |
| XtAppCreateShell[1] | XtError[1] | XtRemoveActionHook[1] |
| XtAppError[1] | XtErrorMsg[1] | XtRemoveAllCallbacks[1] |
| XtAppErrorMsg[1] | XtFindFile[1] | XtRemoveBlockHook[1] |
| XtAppGetErrorDatabase[1] | XtFree[1] | XtRemoveCallback[1] |
| XtAppGetErrorDatabaseText[1] | XtGetActionKeysym[1] | XtRemoveCallbacks[1] |
| XtAppGetExitFlag[1] | XtGetActionList[1] | XtRemoveEventHandler[1] |
| XtAppGetSelectionTimeout[1] | XtGetApplicationNameAndClass[1] | XtRemoveEventTypeHandler[1] |
| XtAppInitialize[1] | XtGetApplicationResources[1] | XtRemoveGrab[1] |
| XtAppLock[1] | XtGetClassExtension[1] | XtRemoveInput[1] |
| XtAppMainLoop[1] | XtGetConstraintResourceList[1] | XtRemoveRawEventHandler[1] |
| XtAppNextEvent[1] | XtGetDisplays[1] | XtRemoveSignal[1] |
| XtAppPeekEvent[1] | XtGetErrorDatabase[1] | XtRemoveTimeOut[1] |
| XtAppPending[1] | XtGetErrorDatabaseText[1] | XtRemoveWorkProc[1] |
| XtAppProcessEvent[1] | XtGetGC[1] | XtReservePropertyAtom[1] |
| XtAppReleaseCacheRefs[1] | XtGetKeyboardFocusWidget[1] | XtResizeWidget[1] |
| XtAppSetErrorHandler[1] | XtGetKeysymTable[1] | XtResizeWindow[1] |
| XtAppSetErrorMsgHandler[1] | XtGetMultiClickTime[1] | XtResolvePathname[1] |
| XtAppSetExitFlag[1] | XtGetResourceList[1] | XtScreen[1] |
| XtAppSetFallbackResources[1] | XtGetSelectionParameters[1] | XtScreenDatabase[1] |
| XtAppSetSelectionTimeout[1] | XtGetSelectionRequest[1] | XtScreenOfObject[1] |
| XtAppSetTypeConverter[1] | XtGetSelectionTimeout[1] | XtSendSelectionRequest[1] |
| XtAppSetWarningHandler[1] | XtGetSelectionValue[1] | XtSessionGetToken[1] |
| XtAppSetWarningMsgHandler[1] | XtGetSelectionValueIncremental[1] | XtSessionReturnToken[1] |
| XtAppUnlock[1] | XtGetSelectionValues[1] | XtSetErrorHandler[1] |
| XtAppWarning[1] | XtGetSelectionValuesIncremental[1] | XtSetErrorMsgHandler[1] |
| XtAppWarningMsg[1] | XtGetSubresources[1] | XtSetEventDispatcher[1] |
| XtAugmentTranslations[1] | XtGetSubvalues[1] | XtSetKeyTranslator[1] |
| XtBuildEventMask[1] | XtGetValues[1] | XtSetKeyboardFocus[1] |
| XtCallAcceptFocus[1] | XtGrabButton[1] | XtSetLanguageProc[1] |
| XtCallActionProc[1] | XtGrabKey[1] | XtSetMappedWhenManaged[1] |
| XtCallCallbackList[1] | XtGrabKeyboard[1] | XtSetMultiClickTime[1] |
| XtCallCallbacks[1] | XtGrabPointer[1] | XtSetSelectionParameters[1] |
| XtCallConverter[1] | XtHasCallbacks[1] | XtSetSelectionTimeout[1] |
| XtCallbackExclusive[1] | XtHooksOfDisplay[1] | XtSetSensitive[1] |
| XtCallbackNone[1] | XtInitialize[1] | XtSetSubvalues[1] |
| XtCallbackNonexclusive[1] | XtInitializeWidgetClass[1] | XtSetTypeConverter[1] |
| XtCallbackPopdown[1] | XtInsertEventHandler[1] | XtSetValues[1] |
| XtCallbackReleaseCacheRef[1] | XtInsertEventTypeHandler[1] | XtSetWMColormapWindows[1] |
| XtCallbackReleaseCacheRefList[1] | XtInsertRawEventHandler[1] | XtSetWarningHandler[1] |
| XtCalloc[1] | XtInstallAccelerators[1] | XtSetWarningMsgHandler[1] |
| XtCancelSelectionRequest[1] | XtInstallAllAccelerators[1] | XtStringConversionWarning[1] |
| XtChangeManagedSet[1] | XtIsApplicationShell[1] | XtSuperclass[1] |
| XtClass[1] | XtIsComposite[1] | XtToolkitInitialize[1] |
| XtCloseDisplay[1] | XtIsConstraint[1] | XtToolkitThreadInitialize[1] |
| XtConfigureWidget[1] | XtIsManaged[1] | XtTranslateCoords[1] |
| XtConvert[1] | XtIsObject[1] | XtTranslateKey[1] |
| XtConvertAndStore[1] | XtIsOverrideShell[1] | XtTranslateKeycode[1] |
| XtConvertCase[1] | XtIsRealized[1] | XtUngrabButton[1] |
| XtCreateApplicationContext[1] | XtIsRectObj[1] | XtUngrabKey[1] |
| XtCreateApplicationShell[1] | XtIsSensitive[1] | XtUngrabKeyboard[1] |
| XtCreateManagedWidget[1] | XtIsSessionShell[1] | XtUngrabPointer[1] |
| XtCreatePopupShell[1] | XtIsShell[1] | XtUninstallTranslations[1] |
| XtCreateSelectionRequest[1] | XtIsSubclass[1] | XtUnmanageChild[1] |
| XtCreateWidget[1] | XtIsTopLevelShell[1] | XtUnmanageChildren[1] |
| XtCreateWindow[1] | XtIsTransientShell[1] | XtUnmapWidget[1] |
| XtCvtColorToPixel[1] | XtIsVendorShell[1] | XtUnrealizeWidget[1] |
| XtCvtIntToBool[1] | XtIsWMShell[1] | XtUnregisterDrawable[1] |
| XtCvtIntToBoolean[1] | XtIsWidget[1] | XtVaAppCreateShell[1] |
| XtCvtIntToColor[1] | XtKeysymToKeycodeList[1] | XtVaAppInitialize[1] |
| XtCvtIntToFloat[1] | XtLastEventProcessed[1] | XtVaCreateArgsList[1] |
| XtCvtIntToFont[1] | XtLastTimestampProcessed[1] | XtVaCreateManagedWidget[1] |
| XtCvtIntToPixel[1] | XtMainLoop[1] | XtVaCreatePopupShell[1] |
| XtCvtIntToPixmap[1] | XtMakeGeometryRequest[1] | XtVaCreateWidget[1] |
| XtCvtIntToShort[1] | XtMakeResizeRequest[1] | XtVaGetApplicationResources[1] |
| XtCvtIntToUnsignedChar[1] | XtMalloc[1] | XtVaGetSubresources[1] |
| XtCvtStringToAcceleratorTable[1] | XtManageChild[1] | XtVaGetSubvalues[1] |
| XtCvtStringToAtom[1] | XtManageChildren[1] | XtVaGetValues[1] |
| XtCvtStringToBool[1] | XtMapWidget[1] | XtVaOpenApplication[1] |
| XtCvtStringToBoolean[1] | XtMenuPopupAction[1] | XtVaSetSubvalues[1] |
| XtCvtStringToCommandArgArray[1] | XtMergeArgLists[1] | XtVaSetValues[1] |
| XtCvtStringToCursor[1] | XtMoveWidget[1] | XtWarning[1] |
| XtCvtStringToDimension[1] | XtName[1] | XtWarningMsg[1] |
| XtCvtStringToDirectoryString[1] | XtNameToWidget[1] | XtWidgetToApplicationContext[1] |
| XtCvtStringToDisplay[1] | XtNewString[1] | XtWindow[1] |
| XtCvtStringToFile[1] | XtNextEvent[1] | XtWindowOfObject[1] |
| XtCvtStringToFloat[1] | XtNoticeSignal[1] | XtWindowToWidget[1] |
| XtCvtStringToFont[1] | XtOpenApplication[1] | _XtCheckSubclassFlag[1] |
| XtCvtStringToFontSet[1] | XtOpenDisplay[1] | _XtCopyFromArg[1] |
| XtCvtStringToFontStruct[1] | XtOverrideTranslations[1] | _XtInherit[1] |
| XtCvtStringToGravity[1] | XtOwnSelection[1] | _XtIsSubclassOf[1] |
Table A-4. libXt Data Interfaces