void main_source(wchar_t * &data){data=(wchar_t *)calloc(100, sizeof(wchar_t));}void main(){wchar_t * data;data=NULL;main_source(data);delete data;}
static void main_source(wchar_t * &data){data=new wchar_t;}static void main(){wchar_t * data;data=NULL;main_source(data);delete data;}