A control block used for communication between the time-sharing driver and the time sharing interface program.

一种控制块，用于分时驱动程序与分时接口程序之间的通信。

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A control block used for communication between the time-sharing driver and the time sharing interface program.

一种控制块，用于分时驱动程序与分时接口程序之间的通信。

youdao