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# GetAddressRange

Returns the address and length of the memory buffer.

```
kern_return_t GetAddressRange(IOAddressSegment *range);
```

## Parameters

`range`

An [`IOAddressSegment`](/documentation/DriverKit/IOAddressSegment) structure that you provide. On return, this structure contains the address and length of the memory buffer.

## Return Value

[`kIOReturnSuccess`](/documentation/DriverKit/kIOReturnSuccess) on success, or another value if an error occurs. See [Error Codes](/documentation/DriverKit/error-codes).

---

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