---
title: kUSBNoPipeIdx
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/1426201-miscellaneous_constants/kusbnopipeidx
---

# kUSBNoPipeIdx

## Declaration

```occ
kUSBNoPipeIdx = -1
```