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.\" $FreeBSD: head/share/examples/mdoc/example.4 288419 2015-09-30 12:40:51Z brueffer $
.\"
.\" Note: The date here should be updated whenever a non-trivial
.\" change is made to the manual page.
.Dd July 31, 2015
.Dt EXAMPLE 4 i386
.Os
.Sh NAME
.Nm example
.Nd "example device driver manual page"
.Sh SYNOPSIS
To compile the 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 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 Mt mpp@FreeBSD.org .
.Sh BUGS
The actual code for this device driver is vaporware.