---
title: iokit_usb_err
framework: IOKit
role: symbol
role_heading: Macro
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/iokit_usb_err
---

# iokit_usb_err

## Declaration

```occ
#define iokit_usb_err(return)
```

## Discussion

Discussion Errors specific to the IOUSBFamily. Note that the iokit_usb_err(x) translates to 0xe0004xxx, where xxx is the value in parenthesis as a hex number.

## See Also

### UNKNOWN OBJECT 

- [iokit_usb_msg](iokit/iokit_usb_msg.md)