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

# kHFSCatalogKeyMaximumLength

## Declaration

```occ
kHFSCatalogKeyMaximumLength = sizeof(HFSCatalogKey) - sizeof(u_int8_t)
```