---
title: IOUSBDevRequestTO
framework: kernel
role: symbol
role_heading: Type Alias
path: kernel/iousbdevrequestto
---

# IOUSBDevRequestTO

A structure that defines a standard device request with timeout.

## Declaration

```occ
typedef struct IOUSBDevRequestTO IOUSBDevRequestTO;
```

## Topics

### Getting the Properties

- [bmRequestType](kernel/iousbdevrequestto/1546240-bmrequesttype.md)
- [bRequest](kernel/iousbdevrequestto/1546186-brequest.md)
- [wValue](kernel/iousbdevrequestto/1546569-wvalue.md)
- [wIndex](kernel/iousbdevrequestto/1545983-windex.md)
- [wLength](kernel/iousbdevrequestto/1546424-wlength.md)
- [pData](kernel/iousbdevrequestto/1546393-pdata.md)
- [wLenDone](kernel/iousbdevrequestto/1546065-wlendone.md)
- [completionTimeout](kernel/iousbdevrequestto/1546188-completiontimeout.md)
- [noDataTimeout](kernel/iousbdevrequestto/1546538-nodatatimeout.md)

## See Also

### Device Requests

- [IOUSBDevReqOOL](kernel/iousbdevreqool.md)
- [IOUSBDevReqOOLTO](kernel/iousbdevreqoolto.md)
- [IOUSBDevRequest](kernel/iousbdevrequest.md)
- [IOUSBDeviceRequest](kernel/iousbdevicerequest.md)
- [IOUSBDeviceRequestPtr](kernel/iousbdevicerequestptr.md)
- [IOUSBDeviceRequestSetSELData](kernel/iousbdevicerequestsetseldata.md)