如何使用命令行界面与不相关的进程进行通信？
我正在尝试在 Linux 中编写一个 C++ 程序，通过命令行界面与国际象棋引擎进行通信。国际象棋引擎有标准协议，例如 UCI 所以，如果我能写这个，我就可以使用不同的国际象棋发动机可互换。
我的 C++ 程序应该启动国际象棋引擎，向其发送命令，获取输出，向其发送命令，获取输出，等等...这是如何完成的？
I'm trying to write a C++ program in Linux that communicates with a chess engine via its command line interface. Chess engines have standard protocols like UCI so, if I could write this, I could use different chess engines interchangeably.
My C++ program should start the chess engine, send it a command, get the output, send it a command, get the output, etc... How is this done?
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您需要从标准输入和标准输出设置一些管道。默认情况下，程序的标准输出写入终端，标准输入从终端读取。本质上，您要做的就是将它们从终端重新路由到您的程序。
您可以分叉，设置管道，然后从子进程中使用 execve() 启动国际象棋。该站点有一个简单的示例，说明如何将主程序的标准输出传输到子进程的标准输入：
http://www.cim.mcgill.ca/~franco/OpSys-304-427/messages/node92.html
You'll need to set up some pipes from standard in and standard out. By default, standard out from a program is written to the terminal and standard in is read from the terminal. Essentially what you'll be doing is re-routing these from the terminal to your program.
You can fork, set up the pipes, and then launch chess with execve() from your child process. This site has a simple example of how to pipe standard out from your main program to standard in of a child process:
http://www.cim.mcgill.ca/~franco/OpSys-304-427/messages/node92.html