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  "identifier" : "/documentation/DriverKit/OSMappedFile",
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# OSMappedFile

```
class OSMappedFile;
```

## Topics

### Instance Methods

[`const void * data() const;`](/documentation/DriverKit/OSMappedFile/data)

[`virtual void free();`](/documentation/DriverKit/OSMappedFile/free)

[`virtual bool init();`](/documentation/DriverKit/OSMappedFile/init)

[`size_t size() const;`](/documentation/DriverKit/OSMappedFile/size)

### Type Methods

[`static kern_return_t createFromPath(const char *path, uint64_t options, size_t minGuardSize, OSMappedFile **outputMappedFile);`](/documentation/DriverKit/OSMappedFile/createFromPath)

## Relationships

### Inherits From

[`OSObject`](/documentation/DriverKit/OSObject)

---

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