---
title: IOUSBGetNextInterfaceDescriptor
framework: usbdriverkit
role: symbol
role_heading: Function
path: usbdriverkit/iousbgetnextinterfacedescriptor
---

# IOUSBGetNextInterfaceDescriptor

Finds the next interface descriptor in a configuration descriptor.

## Declaration

```occ
const IOUSBInterfaceDescriptor *IOUSBGetNextInterfaceDescriptor(const IOUSBConfigurationDescriptor *configurationDescriptor, const IOUSBDescriptorHeader *currentDescriptor);
```

## Parameters

- `configurationDescriptor`: A configuration descriptor that contains the descriptors to iterate through.
- `currentDescriptor`: A descriptor pointer within the bounds of the configuration descriptor, or NULL.

## Return Value

Return Value An interface description pointer, or NULL if no matching descriptor is found.

## Discussion

Discussion This method uses getNextDescriptorWithType to fetch the next interface descriptor.

## See Also

### Interface Descriptors

- [IOUSBGetNextInterfaceAssociationDescriptor](usbdriverkit/iousbgetnextinterfaceassociationdescriptor.md)