MIME(BASE64/QP) 编码/解码程序代码。 此代码是一个 BCB 的单元，非常简单，提供了四个函数， 要改成 Delphi 或其它 C/C++ 也很容易，有需要的自已改吧。此代码经过测试，结果正确。-MIME (BASE64/QP) encoding / decoding code. This code is a BCB module is very simple, providing four functions, to change Delphi or other C / C is also very easy, it is necessary to change it by themselves. This code tested and the results correctly.