---
title: withSubRange
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/iosubmemorydescriptor/1571783-withsubrange
---

# withSubRange

## Declaration

```occ
static OSPtr<IOSubMemoryDescriptor> withSubRange(IOMemoryDescriptor *of, IOByteCount offset, IOByteCount length, IOOptionBits options);
```