# 非标准库Windows.h

windows.h为windows系统中内置头文件，包含了许多系统服务的函数原型。是操作系统为用户提供的统一API接口，方便调用系统提供的一些服务。

## 常用

### Sleep()函数

系统延时函数，接受参数单位为毫秒。



## 
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