The system call interface ACTS as a switch, funneling system calls from user space to the appropriate endpoints in kernel space.

系统调用接口的作用就像是交换器，它将系统调用从用户空间发送到内核空间中的适当端点。

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This definition can be a foundation for routing service requests to the appropriate endpoints, regardless of how the actual routing is implemented.

这一定义可以作为对于特定端点的服务请求路由的基础，而不管真正的路由是如何实现的。

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