linux C语言如何生成uuid（通用唯一识别码Universally Unique Identifier）?

#include 
//#include 
#include 
// gcc uuid.c -luuid -o uuid

int main()
{
    uuid_t uu;
    uuid_generate(uu);

    char uuid_str[37];
    uuid_unparse_lower(uu, uuid_str);
    printf("generate uuid = %sn", uuid_str);

    return 0;
}

参考文章：Linux C/C++编程：生成uuid