freebsd-nq/share/man/man9/device_printf.9
2003-05-30 21:13:32 +00:00

59 lines
1.9 KiB
Groff

.\"
.\" Copyright (c) 2003 M. Warner Losh
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd April 21, 2003
.Dt DEVICE_PRINTF 9
.Os
.Sh NAME
.Nm device_printf
.Nd formatted output conversion
.Sh SYNOPSIS
.In sys/param.h
.In sys/bus.h
.Ft int
.Fn device_printf "device_t dev" "const char *fmt" ...
.Sh DESCRIPTION
The
.Fn device_printf
function is a convenience interface to the
.Xr printf 9
function.
It outputs the name of the
.Fa dev
device, followed by a colon and a space, and then what
.Xr printf 9
would print if you passed
.Fa fmt
and the remaining arguments to it.
.Sh RETURN VALUES
The
.Fn device_printf
function returns the number of characters displayed.
.Sh SEE ALSO
.Xr printf 3 ,
.Xr printf 9