---
title: bLength
framework: kernel
role: symbol
role_heading: Instance Property
path: kernel/iousbendpointdescriptor/1546156-blength
---

# bLength

The size of the descriptor.

## Declaration

```occ
uint8_t bLength;
```

## See Also

### Getting the Properties

- [bDescriptorType](kernel/iousbendpointdescriptor/1545995-bdescriptortype.md)
- [bEndpointAddress](kernel/iousbendpointdescriptor/1546243-bendpointaddress.md)
- [bmAttributes](kernel/iousbendpointdescriptor/1546048-bmattributes.md)
- [wMaxPacketSize](kernel/iousbendpointdescriptor/1546305-wmaxpacketsize.md)
- [bInterval](kernel/iousbendpointdescriptor/1546209-binterval.md)