57 lines
2 KiB
Groff
57 lines
2 KiB
Groff
.\" Copyright (c) 1999 Chris Costello
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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 AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, 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: src/share/man/man9/devtoname.9,v 1.8 2003/10/23 01:54:06 hmp Exp %
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.\"
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.\" $FreeBSD$
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.Dd September 25, 1999
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.Os
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.Dt DEVTONAME 9
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.Sh 名称
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.Nm devtoname
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.Nd dev_t データをデバイス名を示す文字列に変換
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.Sh 書式
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.In sys/param.h
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.In sys/conf.h
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.Ft const char *
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.Fn devtoname "dev_t dev"
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.Sh 解説
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.Fn devtoname
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関数は、渡されたデバイスの名前へのポインタを返します。
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名前は
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.Fn make_dev
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で設定されたものです。
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.Va dev
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に関連付けられた名前が無い場合には、
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.Dq #
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とそれに続く
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.Va dev
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に割り当てられている
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.Dq Va メジャー Ns / Ns Va マイナ番号
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で構成される文字列へのポインタが返されます。
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.Sh 歴史
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.Fn devtoname
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インタフェースは
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.Fx 4.0
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で初めて登場しました。
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