这是一段在DOS下通过中断方式实现的串行口收发程序。使用环境为DOS下的C++..使用者只需将stdcom.cpp和stdcom.h加入自己的工程中即可。-This is the section of the DOS interrupt achieved through the serial port to send and receive procedures. Use under the DOS environment C++ .. User simply stdcom.cpp and stdcom.h adding their own projects can be.