---
name: "unregister_chrdev_region"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/unregister_chrdev_region"
---

# unregister\_chrdev\_region(9)

unregister a range of device numbers

## NAME

unregister\_chrdev\_region - unregister a range of device numbers

## SYNOPSIS

**void unregister\_chrdev\_region(dev\_t** *from***, unsigned** *count***);**

## ARGUMENTS

*from*

the first in the range of numbers to unregister

*count*

the number of device numbers to unregister

## DESCRIPTION

This function will unregister a range of *count* device numbers, starting with *from*. The caller should normally be the one who allocated those numbers in the first place...

## COPYRIGHT