用C语言读取通达信日线数据。 程序中的通达信软件安装地址可能每个人不一样，修改一下重新编译、运行即可。VC++6.0和TC2下测试成功。-Mastery using C language to read the letter on-line data. Program accessible information software installation address each person may not like tinkering recompilation run. VC++6.