Skip to main content

Apple Developer Docs

Fonts Symbols

IOKit / kUSBMaxIsocFrameReqCount / kUSBMaxFSIsocEndpointReqCount

kUSBMaxFSIsocEndpointReqCount

Declaration

kUSBMaxFSIsocEndpointReqCount = 1023

Open on developer.apple.com

IOKitEnumeration Case

Mac Catalyst 18.4+macOS 10.3+

Built on 2026-05-07