---
title: readTOC
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iocdblockstoragedevice/3516774-readtoc
---

# readTOC

## Declaration

```occ
virtual IOReturn readTOC(IOMemoryDescriptor *buffer, CDTOCFormat format, UInt8 msf, UInt8 trackSessionNumber, UInt16 *actualByteCount);
```