---
title: CDTOC
framework: IOKit
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/cdtoc
---

# CDTOC

## Declaration

```occ
typedef struct CDTOC {
    ...
} CDTOC;
```

## Topics

### Instance Properties

- [descriptors](iokit/cdtoc/1584245-descriptors.md)
- [length](iokit/cdtoc/1584291-length.md)
- [sessionFirst](iokit/cdtoc/1584226-sessionfirst.md)
- [sessionLast](iokit/cdtoc/1584272-sessionlast.md)