将匿名管道句柄传递给子进程

我想将匿名管道句柄传递给子进程。 This 答案似乎解释它很好的C++,但是我想在C.做这件事

例如:

    BOOL bCreatePipe, bReadFile;
    HANDLE hRead = NULL;
    HANDLE hWrite = NULL;
    SECURITY_ATTRIBUTES lpPipeAttributes;
    lpPipeAttributes.nLength = sizeof(lpPipeAttributes);
    lpPipeAttributes.lpSecurityDescriptor = NULL;
    lpPipeAttributes.bInheritHandle = TRUE;

    // Create pipe file descriptors for parent and child
    bCreatePipe = CreatePipe(&hRead, &hWrite, &lpPipeAttributes, (DWORD)BUFFER_SIZE);
    if (bCreatePipe == FALSE) {
        printf("[-]Error creating IPC pipe : %d", GetLastError());
        exit(-1);
    }

    // Create command line arguments for child process
    snprintf(child_cmd, CMD_LINE_SIZE, "%d", &hWrite);

    // Create child process to handle request
    if ( !CreateProcess(
         "C:\\Users\\Child.exe",        // No module name (use command line)
         child_cmd,      // Command line
         NULL,           // Process handle not inheritable
         NULL,           // Thread handle not inheritable
         TRUE,           // Set handle inheritance to TRUE (for pipe)
         0,              // No creation flags
         NULL,           // Use parent's environment block
         NULL,           // Use parent's starting directory
         &si,            // Pointer to STARTUPINFO structure
         &pi)            // Pointer to PROCESS_INFORMATION structure
         )
    {
        printf("[-]CreateProcess failed : %d\n", GetLastError());
        exit(-1);
    }

孩子:

// Set variables to arguments passed by parent 
HANDLE hWrite = atoi(argv[0]);