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Apple Developer Docs

IOKit / tIOUSBEndpointDirection / kIOUSBEndpointDirectionUnknown

kIOUSBEndpointDirectionUnknown

Declaration

kIOUSBEndpointDirectionUnknown = 2

Open on developer.apple.com

IOKitEnumeration Case

Mac Catalyst 13.0+macOS 10.15+

Built on 2026-09-18 · Snapshot snapshot-20260918-beta.1 (macOS 27.2) · Commit 95c7306 · by @g-cqd · based on Apple Developer Documentation