---
name: "i2o_device_show_class_id"
section: "9"
platform: "linux"
package: "linux-manual-3.2"
version: "3.2.78-1"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/i2o_device_show_class_id"
---

# i2o\_device\_show\_class\_id(9)

Displays class id of I2O device

## NAME

i2o\_device\_show\_class\_id - Displays class id of I2O device

## SYNOPSIS

**ssize\_t i2o\_device\_show\_class\_id(struct device \*** *dev***, struct device\_attribute \*** *attr***, char \*** *buf***);**

## ARGUMENTS

*dev*

device of which the class id should be displayed

*attr*

pointer to device attribute

*buf*

buffer into which the class id should be printed

## DESCRIPTION

Returns the number of bytes which are printed into the buffer.

## COPYRIGHT