说明：  以上程序是基于VxWorks嵌入式操作系统Ｃ源代码程序，字符型IO设备的驱动程序示例，程序实现功能是把内存中一段区域模拟字符型IO设备来操作。使用TORNADO编译运行成功。
(The above procedure is based on the VxWorks operating system embedded C source code procedures, character IO device driver example, the program is to achieve the functions of memory for some regional character IO simulation equipment to operate. TORNADO compiler used to run successfully.)