---
title: IOUSBHostCICapabilitiesMessageControlPortCount
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 11.0+]
path: kernel/3612495-anonymous/iousbhostcicapabilitiesmessagecontrolportcount
---

# IOUSBHostCICapabilitiesMessageControlPortCount

## Declaration

```occ
IOUSBHostCICapabilitiesMessageControlPortCount = IOUSBBitRange(16, 19)
```