---
title: DriverKit Constants
framework: driverkit
role: collectionGroup
role_heading: API Collection
path: driverkit/driverkit-constants
---

# DriverKit Constants

## Topics

### Constants

- [OSAdoptMemory](driverkit/osadoptmemory.md)
- [OSAllocateMemory](driverkit/osallocatememory.md)
- [OSAllocateMemoryZero](driverkit/osallocatememoryzero.md)
- [OSNoRetain](driverkit/osnoretain.md)
- [OSRetain](driverkit/osretain.md)

## See Also

### Reference

- [DriverKit Structures](driverkit/driverkit-structures.md)
- [DriverKit Enumerations](driverkit/driverkit-enumerations.md)
- [DriverKit Functions](driverkit/driverkit-functions.md)
- [DriverKit Data Types](driverkit/driverkit-data-types.md)
- [DriverKit Namespaces](driverkit/driverkit-namespaces.md)