---
title: IOUSBEndpointDescriptor
framework: IOKit
role: pseudoSymbol
platforms: []
path: iokit/usb_h_user-space/iousbendpointdescriptor
---

# IOUSBEndpointDescriptor

## Declaration

```occ
struct IOUSBEndpointDescriptor {
   UInt8 bLength;
   UInt8 bDescriptorType;
   UInt8 bEndpointAddress;
   UInt8 bmAttributes;
   UInt16 wMaxPacketSize;
   UInt8 bInterval;
};
```

## Overview

Descriptor for a USB Endpoint. See the USB Specification at [http://www.usb.org](../../link-1670329.md).

## See Also

### Related Documentation

- [IOUSBEndpointDescriptor](../../kernel/iousbendpointdescriptor.md)