void TGeant3::TrackPosition(Float_t*) const {}
void TGeant3::TrackMomentum(Float_t*) const {}
Int_t TGeant3::VolId(Text_t*) const {return 0;}
-char* TGeant3::VolName(Int_t ) const {return 0;}
+const char* TGeant3::VolName(Int_t ) const {return 0;}
Float_t TGeant3::TrackCharge() const {return 0;}
Float_t TGeant3::TrackMass() const {return 0;}
Bool_t TGeant3::TrackInside() const {return 0;}