一个开源的CLI解析引擎，Cisco Like的风格；很不错。 核心代码小巧，容易移植到到单片机等嵌入式系统，实现命令行控制等等。-An open source CLI parsing engine, Cisco Like style very good. Core code is compact, easy to transplant to the MCU and other embedded systems, control, etc. to achieve the command l