---
title: tDeviceRequestType
framework: kernel
role: symbol
role_heading: Enumeration
path: kernel/tdevicerequesttype
---

# tDeviceRequestType

## Declaration

```occ
typedef enum tDeviceRequestType : unsigned int {
    ...
} tDeviceRequestType;
```

## Topics

### Constants

- [kRequestTypeClass](kernel/tdevicerequesttype/krequesttypeclass.md)
- [kRequestTypeStandard](kernel/tdevicerequesttype/krequesttypestandard.md)
- [kRequestTypeVendor](kernel/tdevicerequesttype/krequesttypevendor.md)