UUID的介绍:http://baike.baidu.com/view/1052579.htm
  GUID的介绍:http://baike.baidu.com/view/185358.htm
  

#include <stdio.h>

/*方式一需要的头文件和库*/
#include <rpc.h>
#pragma comment(lib, "rpcrt4.lib")

int main(void)
{
/*方式一*/
UUID myUUID;
UuidCreate(&myUUID);
unsigned char* strUUID;
UuidToStringA(&myUUID, &strUUID);
printf("%s\n", strUUID);

/*方式二*/
::CoInitialize(NULL);
GUID myGUID;
::CoCreateGuid(&myGUID);
printf("%08X-%04X-%04x-%02X%02X-%02X%02X%02X%02X%02X%02X\n", myGUID.Data1, myGUID.Data2, myGUID.Data3, myGUID.Data4[0], myGUID.Data4[1], myGUID.Data4[1], myGUID.Data4[2],
myGUID.Data4[3], myGUID.Data4[4], myGUID.Data4[5], myGUID.Data4[6], myGUID.Data4[7]);
::CoUninitialize(); // 记得释放
return 0;
}

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