调试环境为TC2.0或者3.0。运行这个程序需要tc提供的几个头文件。建议修改options菜单中的include目录项到tc的include的目录下(具体方法可以参见本书第一章的讲解)；或者把源程序拷贝到tc目录下运行。-Debugging environment TC2.0 or 3.0. Tc need to run this procedure provides several header files. Proposed to amend the options menu items