C++ 匿名管道程序测试源代码，定义结构体SECURITY_ATTRIBUTES变量，填充结构体中的各成员，创建匿名管道，定义并初始化结构体，填充结构体中的各个成员，从匿名管道中读取的数据等。-C++ anonymous pipe testing program source code, the definition of the structure of SECURITY_ATTRIBUTES variables, each member is filled in the structure,