---
title: Objective-C Macros
framework: Objective-C Runtime
role: collectionGroup
role_heading: API Collection
path: objectivec/objective-c-macros
---

# Objective-C Macros

## Topics

### Macros

- [OBJC_API_VERSION](objectivec/objc_api_version.md)
- [OBJC_NO_GC](objectivec/objc_no_gc.md)

## See Also

### Reference

- [Objective-C Runtime](objectivec/objective-c-runtime.md)
- [Objective-C Structures](objectivec/objective-c-structures.md)
- [Objective-C Constants](objectivec/objective-c-constants.md)
- [Objective-C Functions](objectivec/objective-c-functions.md)
- [Objective-C Data Types](objectivec/objective-c-data-types.md)
- [Objective-C Enumerations](objectivec/objective-c-enums.md)