---
title: IOUSBHost Functions
framework: IOUSBHost
role: collectionGroup
role_heading: API Collection
path: iousbhost/iousbhost-functions
---

# IOUSBHost Functions

## Topics

### Functions

- [IOUSBGetEndpointBurstSize(_:_:_:_:)](iousbhost/iousbgetendpointburstsize(_:_:_:_:).md)
- [IOUSBGetEndpointMult(_:_:_:_:)](iousbhost/iousbgetendpointmult(_:_:_:_:).md)
- [IOUSBGetEndpointSynchronizationType(_:)](iousbhost/iousbgetendpointsynchronizationtype(_:).md)
- [IOUSBGetEndpointUsageType(_:)](iousbhost/iousbgetendpointusagetype(_:).md)
- [IOUSBGetPlatformCapabilityDescriptor(_:)](iousbhost/iousbgetplatformcapabilitydescriptor(_:).md)
- [IOUSBGetPlatformCapabilityDescriptorWithUUID(_:_:)](iousbhost/iousbgetplatformcapabilitydescriptorwithuuid(_:_:).md)
- [IOUSBGetSuperSpeedPlusDeviceCapabilityDescriptor(_:)](iousbhost/iousbgetsuperspeedplusdevicecapabilitydescriptor(_:).md)
- [IOUSBHostCIControllerStateToString(_:)](iousbhost/iousbhostcicontrollerstatetostring(_:).md)
- [IOUSBHostCIDeviceSpeedToString(_:)](iousbhost/iousbhostcidevicespeedtostring(_:).md)
- [IOUSBHostCIDeviceStateToString(_:)](iousbhost/iousbhostcidevicestatetostring(_:).md)
- [IOUSBHostCIEndpointStateToString(_:)](iousbhost/iousbhostciendpointstatetostring(_:).md)
- [IOUSBHostCIExceptionTypeToString(_:)](iousbhost/iousbhostciexceptiontypetostring(_:).md)
- [IOUSBHostCILinkStateEnabled(_:)](iousbhost/iousbhostcilinkstateenabled(_:).md)
- [IOUSBHostCILinkStateToString(_:)](iousbhost/iousbhostcilinkstatetostring(_:).md)
- [IOUSBHostCIMessageStatusFromIOReturn(_:)](iousbhost/iousbhostcimessagestatusfromioreturn(_:).md)
- [IOUSBHostCIMessageStatusToIOReturn(_:)](iousbhost/iousbhostcimessagestatustoioreturn(_:).md)
- [IOUSBHostCIMessageStatusToString(_:)](iousbhost/iousbhostcimessagestatustostring(_:).md)
- [IOUSBHostCIMessageTypeToString(_:)](iousbhost/iousbhostcimessagetypetostring(_:).md)
- [IOUSBHostCIPortStateToString(_:)](iousbhost/iousbhostciportstatetostring(_:).md)

## See Also

### Reference

- [IOUSBHost Structures](iousbhost/iousbhost-structures.md)
- [IOUSBHost Enumerations](iousbhost/iousbhost-enumerations.md)
- [IOUSBHost Constants](iousbhost/iousbhost-constants.md)
- [IOUSBHost Data Types](iousbhost/iousbhost-data-types.md)