Skip to main content

Apple Developer Docs

Fonts Symbols

IOKit / USBDeviceInformationBits / kUSBInformationRootHubisBuiltInMask

kUSBInformationRootHubisBuiltInMask

Declaration

kUSBInformationRootHubisBuiltInMask = (1 << kUSBInformationRootHubisBuiltIn)

Open on developer.apple.com

IOKitEnumeration Case

Mac Catalyst 18.4+macOS 10.6+

Built on 2026-05-07