---
name: "devclass_get_maxunit"
section: "9"
platform: "linux"
package: "freebsd-manpages"
version: "6.0-5"
release: "Debian 4.0 (Etch)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/devclass_get_maxunit"
---

# devclass\_get\_maxunit(9)

find the maximum unit number in the class

## NAME

**devclass\_get\_maxunit** – find the maximum unit number in the class

## SYNOPSIS

**#include \<sys/param.h\>**

**#include \<sys/bus.h\>**

*int*\

**devclass\_get\_maxunit**(*devclass\_t dc*);

## DESCRIPTION

Returns the next unit number to be allocated to device instances in the devclass. This is one greater than the highest currently allocated unit.

## SEE ALSO

[devclass(9)](/devclass/9.md), [device(9)](/device/9.md)

## AUTHORS

This manual page was written by Doug Rabson.

## BUGS

The name is confusing since it is one greater than the maximum unit.