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Linux实现标准输入和标准输出(STDIN_FILENO和STDOUT_FILENO)
在C语言中,scanf和printf函数用于标准输入和标准输出的输入输出操作。而在Linux中,STDIN_FILENO和STDOUT_FILENO是用于表示标准输入和标准输出的文件描述符。 STDIN_FILENO和STDOUT_FILENO是定义在头文件 中的常量,用于表示标准输入和标准输出的文件描述符。它们分别 ...
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