1.\" 2.\" Copyright (c) 2003 M. Warner Losh 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 21.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 22.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd April 21, 2003 29.Dt DEVICE_PRINTF 9 30.Os 31.Sh NAME 32.Nm device_printf 33.Nd formatted output conversion 34.Sh SYNOPSIS 35.In sys/param.h 36.In sys/bus.h 37.Ft int 38.Fn device_printf "device_t dev" "const char *fmt" ... 39.Sh DESCRIPTION 40The 41.Fn device_printf 42function is a convenience interface to the 43.Xr printf 9 44function. 45It outputs the name of the 46.Fa dev 47device, followed by a colon and a space, and then what 48.Xr printf 9 49would print if you passed 50.Fa fmt 51and the remaining arguments to it. 52.Sh RETURN VALUES 53The 54.Fn device_printf 55function returns the number of characters displayed. 56.Sh SEE ALSO 57.Xr printf 3 , 58.Xr printf 9 59