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