void main_source(wchar_t * &data){data=new wchar_t;delete data;}void main(){wchar_t * data;data=NULL;main_source(data);printWcharLine(*data);}
static void main_source(wchar_t * &data){data=new wchar_t;}static void main(){wchar_t * data;data=NULL;main_source(data);printWcharLine(*data);}