您对Google太懒了吗?

http://logix4u.net/Legacy_Ports/Parallel_Port/A_tutorial_on_Parallel_port_Interface.html [ C ++的串行库 [

Are you too lazy to Google?

http://logix4u.net/Legacy_Ports/Parallel_Port/A_tutorial_on_Parallel_port_Interfacing.html[^]

Serial library for C++[^]

You will not find parallel port any more on recent PCs. However, serial port are still used in industry and you can easily find devices that emulates a serial connection through the USB.

智能开发人员和哑开发人员之间的区别通常只是他们使用 Google 的不同方式.
:-)

The difference between the smart developer and the dumb one, often, is just the different way they use Google.
:-)