XtAppAddWorkProc, XtRemoveWorkProc - Add and remove background processing procedures

app_context
                 Specifies the application context that identifies the application.

       client_data
                 Specifies the argument that is to be passed to the specified procedure when it is called.

       proc      Specifies the procedure that is to be called.

       id        Specifies which work procedure to remove.

       The  XtAppAddWorkProc  function  adds  the  specified  work  procedure  for the application identified by
       app_context.

       The XtRemoveWorkProc function explicitly removes the specified background work procedure.

       XtAppAddWorkProc, XtRemoveWorkProc - Add and remove background processing procedures

XtAppNextEvent(3)
       XToolkitIntrinsics-CLanguageInterfaceXlib-CLanguageXInterface

X Version 11                                       libXt 1.2.1                               XtAppAddWorkProc(3)

       #include <X11/Intrinsic.h>

       XtWorkProcId XtAppAddWorkProc(XtAppContext app_context, XtWorkProc proc, XtPointer client_data);

       void XtRemoveWorkProc(XtWorkProcId id);