XtGetDisplays − retrieve a list of displays associated with an application context
void XtGetDisplays(XtAppContext app_context, Display ***dpy_return, Cardinal* num_dpy_return);
Specifies the application context.
Returns a list of open X display connections in the specified application context.
Returns the count of open X display connections in dpy_return.
To free the list of displays, use XtFree.
Intrinsics − C Language Interface
Xlib − C Language X Interface
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