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Apple Developer Docs

DriverKit / IO_OBJECT_NULL

IO_OBJECT_NULL

Declaration

#define IO_OBJECT_NULL

Open on developer.apple.com

DriverKitMacro

Built on 2026-08-05 · Snapshot snapshot-20260805-beta.2 (macOS 27.0) · Commit 4bc0d8f · by @g-cqd · based on Apple Developer Documentation