纯C语言代码调用生成GUID的方法，当然后缀还是c-Pure C language code calls a method to generate a GUID, of course, the suffix or cpp

采用纯C的方式生成全球唯一ID，guid，采用linux下的代码移植过来的，软件采用vc6编译(The use of pure C way to generate the world's only ID, guid, using Linux code transplant over, the software uses VC6 compiler)