为Windows程序添加丰富的、类Unix风格的命令行选项，包括--file这样的长格式、-f这样的段格式和在选项后添加而外信息，比如：cmd --file:filename。具体用法看main.c的实例。-For Windows program to add rich, Unix-style command-line options, including- file such a long format,-f this segment format and the option to add suits the information, such as: cmd- file: filename. Specific examples of usage to see main.c.