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.\" $FreeBSD: release/9.1.0/share/examples/mdoc/example.4 162712 2006-09-27 21:28:44Z danger $
.\"
.\" Note: The date here should be updated whenever a non-trivial
.\" change is made to the manual page.
.Dd April 1, 2006
.Dt EXAMPLE 4 i386
.Os
.Sh NAME
.Nm example
.Nd "example device driver manual page"
.Sh SYNOPSIS
To compile the
.Ns Nm
driver into the kernel,
place the following lines in the
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device example"
.Cd "options EXAMPLE_DEBUG"
.Ed
.Pp
Alternatively, to load the
.Ns Nm
driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
example_load="YES"
.Ed
.Sh DESCRIPTION
This is an example device driver manual page for the
.Nm
driver.
It is intended that this example can be used as a template
when writing a new manual page.
.Pp
The
.Nm
driver supports the following ioctls:
.Bl -tag -width ".Dv EIOCNULL"
.It Dv EIOCEX
Example ioctl.
.It Dv EIOCNULL
Example ioctl.
.El
.Pp
If the kernel is compiled with the
.Dv EXAMPLE_DEBUG
option, then additional debugging messages will be displayed.
.Sh HARDWARE
The
.Nm
driver supports the following example hardware:
.Pp
.Bl -bullet -compact
.It
Example device 4201
.It
Example device 4202
.El
.Sh FILES
.Bl -tag -width ".Pa /dev/null" -compact
.It Pa /dev/null
Example of a file in the
.Sx FILES
section.
.El
.Sh DIAGNOSTICS
.Bl -diag
.It "example%d: example diagnostic message."
An example of a diagnostic message.
.It "example%d: another example diagnostic message."
Self explanatory.
.El
.Sh SEE ALSO
.Xr example 1 ,
.Xr example 3 ,
.Xr mdoc 7 ,
.Xr example 9
.Sh HISTORY
The
.Nm
device driver first appeared in
.Fx 2.2 .
.Pp
Some other common
.Sx HISTORY
section examples are:
.Pp
The
.Nm
manual page example first appeared in
.Bx 4.4 .
.Pp
The
.Nm
manual page example first appeared in
.At v6 .
.Sh AUTHORS
This manual page was written by
.An Mike Pritchard Aq mpp@FreeBSD.org .
.Sh BUGS
The actual code for this device driver is vaporware.