void SettingsPopUp P((ChessProgramState *cps)); // [HGM] really in front-end, but CPS not known in frontend.h
int WaitForEngine P((ChessProgramState *cps, DelayedEventCallback x));
void Load P((ChessProgramState *cps, int n));
+int MultiPV P((ChessProgramState *cps));
#endif /* _BACKEND */