XtGetApplicationNameAndClass(3) Library Functions Manual XtGetApplicationNameAndClass(3)

XtGetApplicationNameAndClass - retrieve application name and class

#include <X11/Intrinsic.h>

void XtGetApplicationNameAndClass(Display* display, String* name_return, String* class_return);

display
Specifies an open display connection that has been initialized with XtDisplayInitialize.
name_return
Returns the application name.
class_return
Returns the application class.

XtGetApplicationNameAndClass returns the application name and class passed to XtDisplayInitialize for the specified display. If the display was never initialized or has been closed, the result is undefined. The returned strings are owned by the Intrinsics and must not be modified or freed by the caller.

XtDisplayInitialize(3)
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface
X Version 11 XT FUNCTIONS