2003-04-22 03:32:31 +00:00
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.\"
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.\" Copyright (c) 2003 M. Warner Losh
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd April 21, 2003
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.Dt DEVICE_PRINTF 9
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.Os
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.Sh NAME
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.Nm device_printf
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.Nd formatted output conversion
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.Sh SYNOPSIS
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.In sys/param.h
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.In sys/bus.h
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.Ft int
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2003-05-30 21:13:32 +00:00
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.Fn device_printf "device_t dev" "const char *fmt" ...
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2003-04-22 03:32:31 +00:00
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.Sh DESCRIPTION
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The
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2003-05-30 21:13:32 +00:00
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.Fn device_printf
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function is a convenience interface to the
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.Xr printf 9
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function.
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It outputs the name of the
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.Fa dev
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2003-04-22 03:32:31 +00:00
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device, followed by a colon and a space, and then what
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.Xr printf 9
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2003-05-30 21:13:32 +00:00
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would print if you passed
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.Fa fmt
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2003-04-22 03:32:31 +00:00
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and the remaining arguments to it.
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.Sh RETURN VALUES
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The
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.Fn device_printf
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function returns the number of characters displayed.
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.Sh SEE ALSO
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.Xr printf 3 ,
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.Xr printf 9
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