---
title: DDMap
framework: Kernel
role: symbol
role_heading: Type Alias
platforms: [macOS 10.0+]
path: kernel/ddmap
---

# DDMap

## Declaration

```occ
typedef struct DDMap DDMap;
```

## Topics

### Instance Properties

- [ddBlock](kernel/ddmap/1415664-ddblock.md)
- [ddSize](kernel/ddmap/1415714-ddsize.md)
- [ddType](kernel/ddmap/1415681-ddtype.md)