.\"	$OpenBSD: vis.3,v 1.3 1996/08/19 08:27:34 tholo Exp $
.\"
.\" Copyright (c) 1989, 1991, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" Japanese Version Copyright (c) 2000 Yuichi SATO
.\"         all rights reserved.
.\" Translated Thu Dec 14 18:22:51 JST 2000
.\"         by Yuichi SATO <sato@complex.eng.hokudai.ac.jp>
.\"
.\"WORD:	visual representation	ɽǽʸ
.\"
.Dd June 9, 1993
.Dt VIS 3
.Os "Linux NetKit (0.17)"
.Sh ̾
.Nm vis
.Nd ʸɽǽʸ˥󥳡ɤ
.Sh 
.Fd #include <vis.h>
.Ft char *
.Fn vis "char *dst" "char c" "int flag" "char nextc"
.Ft int 
.Fn strvis "char *dst" "char *src" "int flag"
.Ft int 
.Fn strvisx "char *dst" "char *src" "int len" "int flag"
.Sh 
.Fn vis
ؿϡʸ
.Fa c
ɽʸ
.Fa dst
˥ԡ롣
.Fa c
򥨥󥳡ɤɬפʤ硢ѹ˥ԡ롣
ʸ NUL ʸǽü졢ʸκǸʸؤΥݥ󥿤֤롣
󥳡ɤ줿ʸκĹ 4 ʸǤ (Ǹ
.Dv NUL ʸ
ϴޤޤʤ)
äơʣʸХåե˥󥳡ɤ硢
Хåե礭ϡ֥󥳡ɤʸο 4  + Ǹ
.Dv NUL ʸ
Τ 1 ʸפǤʤФʤʤ
 flag ϡ󥳡ɤޤɽǽʸѹʸ
ǥեȤϰϤѹ롣
¾ʸ
.Fa nextc
ϡ󥳡ɥեޥå
.Dv VIS_CSTYLE
(ʲ) 򤹤ˤΤ߻Ȥ롣
.Pp
.Fn strvis

.Fn strvisx
ؿϡ
ʸ
.Fa src
ɽǽʸˤΤ
.Fa dst
˥ԡ롣
.Fn strvis
ؿϡ
.Fa src

.Dv NUL ʸ 
ޤǥ󥳡ɤ롣
.Fn strvisx
ؿϡ
.Fa src
礦
.Fa len
ʸʬ󥳡ɤ (
.Dv NUL
ޤǡ֥å򥨥󥳡ɤΤΩ)
ɤηǤ⡢
.Fa dst

.Dv NUL
ü롣
.Fa dst
礭ϡ󥳡ɤʸ
.Fa src
ο 4  (+
.Dv NUL
Τ 1 ʸʬ) ǤʤФʤʤ
ɤηǤ dst ʸ֤ (Ǹ
.Dv NUL
ϴޤޤʤ)
.Pp
󥳡ɤͣΤΤǡɽʸ鹽줿ĵɽˤʤäƤ롣
Ĥޤꡢ󥳡ɤ줿ʸϡ
.Xr unvis 3

.Xr strunvis 3
ؿѤƸη˥ǥɤ뤳ȤǤ롣
.Pp
ǽ 2 ĤΥѥ᡼:
󥳡ɤʸϰϤȻȤɽΥפǤ롣
ǥեȤǤϡڡ֡԰ʳɽʸ󥳡ɤ
.Ns ( Xr isgraph 3
򻲾)
ʲΥե饰ϡưѹ:
.Bl -tag -width VIS_WHITEX
.It Dv VIS_SP
ڡ⥨󥳡ɤ롣
.It Dv VIS_TAB		
֤⥨󥳡ɤ롣
.It Dv VIS_NL
Ԥ⥨󥳡ɤ롣
.It Dv VIS_WHITE	
.Dv VIS_SP
\&|
.Dv VIS_TAB
\&|
.Dv VIS_NL
Ʊ
.It Dv VIS_SAFE	
ְǤʤʸ򥨥󥳡ɤ롣
ǤʤȤϡŪüͽ̵ǽưƤޤȤ̣롣
ߤΤȤڡ֡ԡХåڡ٥롦꥿
- Ƥɽǽʸ - ϥ󥳡ɤʤ
.El
.Pp
3 ĤΥ󥳡ɷ롣
ƤηǡХåڡ
.Ql \e
ü쥷󥹤λϤޤȤƻȤ롣
2 ĤΥХåڡºݤΥХåڡɽ뤿˻Ȥ롣
ʲΤ褦ʲĻ벽եޥåȤ:
.Bl -tag -width VIS_CSTYLE
.It (ǥե)
᥿ʸ (8 ӥåܤȤʸ) ɽ뤿ˤϡ
.Ql M
Ȥȡ
ʸ
.Pf ( Xr iscntrl 3
򻲾) ɽ뤿ˤϡå
.Ql ^
Ȥȡ
ʲΥեޥåȤȤ:
.Bl -tag -width xxxxx
.It Dv \e^C
ʸ
.Ql C
ɽ
.Ql \e000

.Ql \e037
δ֤ʸ
.Ql \e177
.Ns ( Ql \e^?
Ʊ) ɽ
.It Dv \eM-C
8 ӥåܤåȤƤʸ
.Ql C
ɽ
.Ql \e241

.Ql \e376
δ֤ʸɽ
.It Dv \eM^C
8 ӥåܤåȤƤʸ
.Ql C
ɽ
with the 8th bit set.
Spans characters
.Ql \e200

.Ql \e237
δ֤ʸ
.Ql \e377
.Ns ( Ql \eM^?
Ʊ) ɽ
.It Dv \e040
.Tn ASCII
ڡɽ
.It Dv \e240
᥿ڡɽ
.El
.Pp
.It Dv VIS_CSTYLE
ɸŪɽʸɽ뤿ˡ
C ΥХåå奷󥹤Ȥ
Τ褦ʸɽ˰ʲΥ󥹤Ȥ:
.Bd -unfilled -offset indent
.Li \ea Tn  - BEL No (007)
.Li \eb Tn  - BS No (010)
.Li \ef Tn  - NP No (014)
.Li \en Tn  - NL No (012)
.Li \er Tn  - CR No (015)
.Li \et Tn  - HT No (011)
.Li \ev Tn  - VT No (013)
.Li \e0 Tn  - NUL No (000)
.Ed
.Pp
ΥեޥåȤȤä硢
.Dv NUL
ʸ
.Ql \e000
ǤϤʤ
.Ql \e0
Ȥƥ󥳡ɤ뤫ꤹ뤿ˡ nextc Ȥ롣
.Fa nextc
 1 Ĥ 8 ʿξ硢ۣ椵򤱤뤿ԤɽȤ롣
.It Dv VIS_OCTAL
3 Ĥ 8 ʿ󥹤Ȥ
.Ql \eddd
ȤȤ롣

.Em d
 8 ʿɽ
.El
.Pp
ˡ⤦ 1 ĥե饰
.Dv VIS_NOSLASH
롣
Υե饰ϡ2 ĤΥХåå
ǥեȥեޥåȤˤХååȤʤ褦ˤ롣
(Ĥޤꡢʸ
.Ql ^C
ǡ᥿ʸ
.Ql M-C
ɽ)
Υե饰ꤵȡ󥳡ɤۣDzĵդǤʤʤ롣
.Sh Ϣ
.Xr vis 1 ,
.Xr unvis 1 ,
.Xr unvis 3
.Sh 
δؿ 4.4BSD ǽо줷