#include <windows.h>

#include <stdio.h>

#define EXE_NAME    NULL//TEXT("Cmd.exe")

#define EXE_CMD     TEXT("Cmd.exe /C ipconfig/all")

int main()

{

        char Buffer[];

        STARTUPINFO sInfo;//新进程的主窗口特性

        PROCESS_INFORMATION pInfo;

        SECURITY_ATTRIBUTES sa;

        HANDLE hRead, hWrite;

        DWORD bytesRead;    //读取代码的长度

        sa.nLength = sizeof(SECURITY_ATTRIBUTES);/ /结构体的大小，可用SIZEOF取得

        sa.lpSecurityDescriptor = NULL;//安全描述符

        sa.bInheritHandle = TRUE;;/ /安全描述的对象能否被新创建ÆÆ的进程继承

        if (!CreatePipe(&hRead, &hWrite, &sa, )) //创建匿名管道

        {

            return GetLastError();//返回最近的一个错误，0表示正常

        }

        GetStartupInfo(&sInfo)；

        sInfo.cb = sizeof(sInfo);

        sInfo.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;

        sInfo.wShowWindow = SW_HIDE;

        sInfo.hStdError = hWrite;   //将管道的写端交给子进程

        sInfo.hStdOutput = hWrite;

        memset(&pInfo, , sizeof(pInfo));

        if (!CreateProcess(EXE_NAME, EXE_CMD, NULL, NULL, TRUE, , NULL, NULL, &sInfo, &pInfo)) //创建子进程

        {

            CloseHandle(hWrite);

            CloseHandle(hRead);

            return GetLastError();

        }

        CloseHandle(hWrite); //关闭父进程的写端

        for (int i = ;; ++i)

        {

            if (!ReadFile(hRead, Buffer, sizeof(Buffer) - , &bytesRead, NULL)) //读取内容

            {

                break;

            }

            Buffer[bytesRead] = ;

            printf("%s\n", Buffer);

        }

        WaitForSingleObject(pInfo.hProcess, INFINITE);//当等待仍在挂起状态时，句柄被关闭，那么函数行为是未定义的。该句柄必须具有 SYNCHRONIZE 访问权限;

    CloseHandle(hRead);

    system("pause");

    return ;

}