---
title: Foundation Functions
framework: foundation
role: collectionGroup
role_heading: API Collection
path: foundation/foundation-functions
---

# Foundation Functions

This document describes the functions and function-like macros defined in the Foundation Framework.

## Topics

### Debugging

- [NSCountFrames](foundation/nscountframes.md)
- [NSFrameAddress](foundation/nsframeaddress.md)
- [NSIsFreedObject](foundation/nsisfreedobject.md)
- [NSRecordAllocationEvent](foundation/nsrecordallocationevent.md)
- [NSReturnAddress](foundation/nsreturnaddress.md)

## See Also

### Reference

- [Foundation Constants](foundation/foundation-constants.md)
- [Foundation Enumerations](foundation/foundation-enumerations.md)
- [Foundation Data Types](foundation/foundation-data-types.md)