---
title: getPhysicalSegments
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iobigmemorycursor/1400973-getphysicalsegments
---

# getPhysicalSegments

## Declaration

```occ
virtual UInt32 getPhysicalSegments(IOMemoryDescriptor *descriptor, IOByteCount fromPosition, PhysicalSegment *segments, UInt32 maxSegments, UInt32 inMaxTransferSize, IOByteCount *transferSize);
```