---
title: CreateSubMemoryDescriptor_Impl
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/iomemorydescriptor/3674612-createsubmemorydescriptor_impl
---

# CreateSubMemoryDescriptor_Impl

## Declaration

```occ
static kern_return_t CreateSubMemoryDescriptor_Impl(uint64_t memoryDescriptorCreateOptions, uint64_t offset, uint64_t length, IOMemoryDescriptor *ofDescriptor, IOMemoryDescriptor **memory);
```