MD5變換動態鏈接庫文件調用：（delphi例子）
=========================================================================
function transfer(tran:widestring):widestring stdcall external md5.dll name transfer
//edit1為輸入字符，edit2為輸出md5摘要
procedure TForm1.Button1Click(Sender: TObject)
begin
edit2.text:=transfer(edit1.Text)
end
