---
title: readDVDStructure
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iodvdblockstoragedevice/1534827-readdvdstructure
---

# readDVDStructure

## Declaration

```occ
virtual IOReturn readDVDStructure(IOMemoryDescriptor *buffer, const DVDStructureFormat format, const UInt32 address, const UInt8 layer, const UInt8 agid);
```