-extern "C" void ScreenOKCB(FL_OBJECT *, long);
-extern "C" void ScreenApplyCB(FL_OBJECT *, long);
-extern "C" void ScreenCancelCB(FL_OBJECT *, long);
-
-extern "C" void TocSelectCB(FL_OBJECT *, long);
-extern "C" void TocCancelCB(FL_OBJECT *, long);
-extern "C" void TocUpdateCB(FL_OBJECT *, long);
-
-extern "C" void RefUpdateCB(FL_OBJECT *, long);
-extern "C" void RefHideCB(FL_OBJECT *, long);
-extern "C" void RefSelectCB(FL_OBJECT *, long);
-