#ifndef BIBLIOTHEQUE_PERSO_H_INCLUDED
#define BIBLIOTHEQUE_PERSO_H_INCLUDED

double demanderBoisson();
double attendrePiece(double prixBoisson, int pieceUser[]);
double rendrePiece(double rendrePrix, double valPiece[], int nbPiece[], int pieceRendu[]);

#endif // BIBLIOTHEQUE_PERSO_H_INCLUDED