'\" t
.\"     Title: alloc_chrdev_region
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: April 2019
.\"    Manual: Char devices
.\"    Source: Kernel Hackers Manual 4.9.168
.\"  Language: English
.\"
.TH "ALLOC_CHRDEV_REGION" "9" "April 2019" "Kernel Hackers Manual 4\&.9\&." "Char devices"
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.SH "NAME"
alloc_chrdev_region \- register a range of char device numbers
.SH "SYNOPSIS"
.HP \w'int\ alloc_chrdev_region('u
.BI "int alloc_chrdev_region(dev_t\ *\ " "dev" ", unsigned\ " "baseminor" ", unsigned\ " "count" ", const\ char\ *\ " "name" ");"
.SH "ARGUMENTS"
.PP
\fIdev\fR
.RS 4
output parameter for first assigned number
.RE
.PP
\fIbaseminor\fR
.RS 4
first of the requested range of minor numbers
.RE
.PP
\fIcount\fR
.RS 4
the number of minor numbers required
.RE
.PP
\fIname\fR
.RS 4
the name of the associated device or driver
.RE
.SH "DESCRIPTION"
.PP
Allocates a range of char device numbers\&. The major number will be chosen dynamically, and returned (along with the first minor number) in
\fIdev\fR\&. Returns zero or a negative error code\&.
.SH "COPYRIGHT"
.br