i
codice:
string testo;

 testo=file;


ifstream is;
is.open (testo.c_str(), ios::binary );
        
is.seekg (0, ios::end);       
length_app = is.tellg();       
is.seekg (0, ios::beg);          

buffer_app = new char [length_app];        
is.read (buffer_app,length_app);        
is.close();