XtAppContext XtCreateApplicationContext()void XtDestroyApplicationContext (app_context) XtAppContext app_context;
XtAppContext XtWidgetToApplicationContext (w) Widget w;
void XtToolkitInitialize()
The XtDestroyApplicationContext function destroys
the specified application context as soon as it is safe to do so.
If called from with an event dispatch (for example, a callback procedure),
XtDestroyApplicationContext
does not destroy the application context until the dispatch is complete.
The XtWidgetToApplicationContext function returns the application context for the specified widget.
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface