\begin{frame}[containsverbatim]
  \frametitle{\secname}
  \framesubtitle{\subsecname~III}

  {\small\begin{exampleblock}{Recopie de pointeur}
    \begin{verbatim}
int year;
struct Date maDate = {11, 11, &year}, maDate2;

maDate2 = maDate;  //recopie des structures

maDate.jour = 12;  //maDate.jour vaut 12, maDate2.jour vaut 11

year = 2012;       //*(maDate.annee) vaut 2012, 
                   //*(maDate2.annee) vaut 2012

*(maDate.annee) = 2010; //*(maDate2.annee) vaut aussi 2010

maDate.annee = NULL; //maDate2.annee pointe toujours vers year\end{verbatim}
  \end{exampleblock}}
\end{frame}