---
title: kHFSPlusCatalogKeyMaximumLength
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646121-anonymous/khfspluscatalogkeymaximumlength
---

# kHFSPlusCatalogKeyMaximumLength

## Declaration

```occ
kHFSPlusCatalogKeyMaximumLength = sizeof(HFSPlusCatalogKey) - sizeof(u_int16_t)
```