text: typedef struct {int champ1; int champ2;} mystruct;
  
  
  void decl04(mystruct s)
  {
    mystruct s_loc = s;
  
    s_loc.champ1 = s_loc.champ1 -1;
  }
  
  int main()
  {
    mystruct s;
  
    s.champ1 = 3;
    s.champ2 = 4;
    decl04(s);
    return 0;
  }
  