---
title: readTrackInfo
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iocdblockstoragedevice/1578560-readtrackinfo
---

# readTrackInfo

## Declaration

```occ
virtual IOReturn readTrackInfo(IOMemoryDescriptor *buffer, UInt32 address, CDTrackInfoAddressType addressType, UInt16 *actualByteCount);
```