fc733ebccd
This section is based on catpages contributed by Mainichi Communications, Inc. Translated by: MYCOM team Converted by: Japanese Online Manual Project <man-jp@jp.FreeBSD.ORG> Submitted by: Kazuo Horikawa <k-horik@yk.rim.or.jp>
95 lines
2.9 KiB
Groff
95 lines
2.9 KiB
Groff
.\" Copyright (c) 1990, 1991, 1993
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.\" The Regents of the University of California. 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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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.\" @(#)ctermid.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd June 4, 1993
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.Dt CTERMID 3
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.Os
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.Sh 名称
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.Nm ctermid
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.Nd 端末パス名を生成する
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.Sh 書式
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.Fd #include <stdio.h>
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.Ft char *
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.Fn ctermid "char *buf"
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.Sh 解説
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.Fn ctermid
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関数は、パス名として使用されたときに、呼び出し元プロセスの現在の
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制御端末を参照する
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1 つのストリングを生成します。
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.Pp
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.Ar buf
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が
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.Dv NULL
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ポインタの場合、静的領域を指すポインタが返されます。そうでない
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場合は、パス名が、
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.Ar buf
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で参照されるメモリにコピーされます。引数
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.Ar buf
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は、
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少なくとも長さが
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.Dv L_ctermid
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(
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インクルードファイル
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.Aq Pa stdio.h
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に定義
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)
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バイトと
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想定されます。
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.Pp
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現時点では
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.Ql /dev/tty
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だけを返します。
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.Sh 戻り値
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処理が成功すると、
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.Dv NULL
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でないポインタが返されます。処理が失敗すると、
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.Dv NULL
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ポインタが返され、グローバル変数
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.Va errno
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がエラーを示すように設定されます。
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.Sh エラー
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現時点では、エラー条件は検出されません。
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.Sh 関連項目
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.Xr ttyname 3
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.Sh 規格
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.Fn ctermid
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関数は、
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.St -p1003.1-88
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に準拠しています。
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.Sh バグ
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デフォルトでは、
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.Fn ctermid
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関数は、すべての情報を内部静的オブジェクトに書き
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込みます。後で
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.Fn ctermid
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を呼ぶと、同じオブジェクトが修正されます。
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