.\" Copyright (c) 1993 Michael Haardt (michael@moria.de),
.\"   Fri Apr  2 11:32:09 MET DST 1993
.\" and Andries Brouwer (aeb@cwi.nl), Fri Feb 14 21:47:50 1997.
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\" Modified Sun Jul 25 10:45:30 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified Sun Jul 21 21:25:26 1996 by Andries Brouwer (aeb@cwi.nl)
.\" Modified Mon Oct 21 17:47:19 1996 by Eric S. Raymond (esr@thyrsus.com)
.\" Modified Wed Aug 27 20:28:58 1997 by Nicolas Lichtmaier (nick@debian.org)
.\" Modified Mon Sep 21 00:00:26 1998 by Andries Brouwer (aeb@cwi.nl)
.\" Modified Wed Jan 24 06:37:24 2001 by Eric S. Raymond (esr@thyrsus.com)
.\" Modified Thu Dec 13 23:53:27 2001 by Martin Schulze <joey@infodrom.org>
.\"
.\" nakano : Nicolas  a ϥꥸʥǤ \'a ,
.\" 饯Τ a ѹ.
.\"
.\" Japanese Version Copyright (c) 1997 KURODA Masaru all rights reserved.
.\" Translated May 27, 1997 by KURODA Masaru <kuro@st.rim.or.jp>
.\" Modified Sat 25 Jul 1998 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Modified Sun 6 Dec 1998 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated & Modified Sat Aug 21 1999
.\"       by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated & Modified Sat 18 Mar 2000 by NAKANO Takeo
.\" Updated Sat Dec 22 JST 2001 by Kentaro Shirakata <argrath@ub32.org>
.\" Updated Sat Mar 23 JST 2002 by Kentaro Shirakata <argrath@ub32.org>
.\"
.\"WORD:	environment		Ķ
.\"WORD:	environment variable	Ķѿ
.\"WORD:	shell variable		ѿ
.\"WORD:	locale			
.\"WORD:	locale category		륫ƥ
.\"
.TH ENVIRON 7 2001-12-14 "Linux" "Linux Programmer's Manual"
.SH ̾
environ \- 桼Ķ
.SH 
.nf
.BI "extern char **" environ ;
.br
.fi
.SH 
ѿ
.I environ
ϡִĶ (environment)פȸƤФʸؤΥݥ󥿤Ǥ
(ѿϥ桼ץʤФʤʤ
 libc4  libc5 Υإåեʤ
.I <unistd.h>
Ƥ뤷줬 glibc ͳΤΤǤ
.B _GNU_SOURCE
 define ƤѤߤȤʤ)
ʸϡ
ץư
.BR exec (3)
ˤäơεư줿ץѤǤ褦ˤʤ롣
Ǥϡʸ "\fIname\fP\fB=\fP\fIvalue\fP" Ȥ񼰤
Ȥ롣褯Ѥʲ˼:
.TP
.B USER
桼Υ̾ (BSD ΥץʤɤˤäƻѤ)
.TP
.B LOGNAME
桼Υ̾(System V ΥץʤɤˤäƻѤ)
.TP
.B HOME
桼Υǥ쥯ȥꡣ
.BR login (1)
ѥɥե
.BR passwd (5)
ꤹ롣
.TP
.B LANG
γƥƥǻѤ̾\fBLC_ALL\fP 䡢
궹ϰϤоݤȤĶѿ
.RB ( LC_COLLATE ,
.BR LC_CTYPE ,
.BR LC_MESSAGES ,
.BR LC_MONETARY ,
.BR LC_NUMERIC ,
.B LC_TIME
ʤ)
ˤäƾ񤭤뤳Ȥ⤢롣
.BR locale (5)
򸫤衣
.TP
.B PATH
.BR sh (1)
¾ΥץबեѥͿʤä¹ԥե򸡺Ȥ
ե֤̾ǥ쥯ȥ
ƥǥ쥯ȥ "\fB:\fP" ˤäƶڤ롣
(Ʊ褦ʤΤˡ
뤬ǥ쥯ȥѹޥɤѹõѤ
\fBCDPATH\fP 䡢
.BR man (1)
ޥ˥奢ڡθѤ \fBMANPATH\fP ʤɤ롣)
.TP
.B PWD
ߤΥ󥰥ǥ쥯ȥꡣĤΥ뤬ꤹ롣
.TP
.B SHELL
桼Υ󥷥Υѥ̾
.TP
.B TERM
üμࡣϤϤˤ碌Ѱդ롣
.TP
.B PAGER
ƥȥեɽ桼ƥƥ桼ߤΤΤꤹ롣
.TP
.BR EDITOR / VISUAL
ƥȥեԽ桼ƥƥ桼ߤΤΤꤹ롣
.\" .TP
.\" .B BROWSER
.\" URL αѤ桼ƥƥ桼ߤΤΤꤹ롣
.\" Ƕڤäƥ֥饦ޥɤ¤٤롣
.\" http://www.catb.org/~esr/BROWSER/ 򸫤衣
.PP
Ķ̾ɲäˤϡ
.BR sh (1)
Ǥ \fIexport\fP ޥɤ "name=value" Ѥ롣
.BR csh (1)
Ǥ \fIsetenv\fP ޥɤѤ롣
.BR exec (3)
ΰȤƤĶꤹ뤳ȤǤ롣
C ץफϡ
.BR getenv (3),
.BR putenv (3),
.BR setenv (3),
.BR unsetenv (3)
ʤɤδؿѤƴĶ򰷤ȤǤ롣

ץ饤֥롼¿ϡ줾ŬʴĶѿ¸
ͤˤäơư˱ƶ뤳Ȥ롣ʲŬ󤲤Ƥߤ褦
.LP
.BR LANG ", " LANGUAGE ", " NLSPATH ", " LOCPATH ", "
.BR LC_ALL ", " LC_MESSAGES ", "
ʤɤѿΰ˱ƶ롣
.BR locale (5)
򸫤衣
.LP
.B TMPDIR

.BR tmpnam (3)
ʤɤΥ롼ˤäƺե֤̾ѥ˱ƶ롣ޤ
.BR sort (1)
ΰǥ쥯ȥѤ줿ꡢ¾ΥץफѤ롣
.LP
.BR LD_LIBRARY_PATH ", " LD_PRELOAD
ʤɤ LD_* ѿϥʥߥå󥫤ư˱ƶ롣
.LP
.B POSIXLY_CORRECT
ꤵȡΥץ饤֥롼
POSIX ε˽褦ˤʤ롣
.LP
.BR malloc (3)
ư
.B MALLOC_*
ѿˤäƱƶ롣
.LP
.B HOSTALIAS
ѿϡ
.BR gethostbyname (3)
Ѥ륨ꥢ񤫤Ƥե̾Ϳ롣
.LP
.BR TZ "  " TZDIR

.BR tzset (3)
ӡδؿȤ
.BR ctime (3),
.BR localtime (3),
.BR mktime (3),
.BR strftime (3)
ȤäؿѤ륿ॾξͿ롣
.BR tzselect (8)
⻲ȤΤȡ
.LP
.B TERMCAP
ϡߤüμ
(뤤ϤΤ褦ʾ󤬽񤫤Ƥե̾) Ϳ롣
.LP
.BR COLUMNS "  " LINES
ץꥱ˥ɥΥ롣
ºݤΥȤϰ㤦ͤͿ뤳ȤǤ롣
.LP
.BR PRINTER " ޤ " LPDEST
Ѥץ󥿤ꤹ롣
.BR lpr (1)
򻲾ȤΤȡ
.LP
ʤɤʤ...
.SH Х
ˤϡ餫˥ƥδ¸ߤ롣
桼
.BR IFS "  " LD_LIBRARY_PATH
˰۾ͤͿȤˤäơ
ޤ¿Υƥॳޥɤޤơ
ƥҤɤܤˤ碌Ƥ

֤̾¸ߤ롣
.I make

.I autoconf
Τ褦ʥץǤϡǥեȤΥ桼ƥƥ
Ķˤ褦̾ѿǾ񤭤뤳ȤǤ
(̾Ϥ٤ʸѿѤ)
ʤѤ C ѥ
.B CC
Ǥ롣ޤƱͤ
.BR MAKE ,
.BR AR ,
.BR AS ,
.BR FC ,
.BR LD ,
.BR LEX ,
.BR RM ,
.B YACC
ʤɤѤ뤳ȤǤ롣
ȤǤϡΤ褦ѿ
(ѥ̾ǤϤʤ)
ץФ륪ץȤư褦ή¸ߤƤ
㤨
.BR MORE ,
.BR LESS ,
.B GZIP
ʤɤǤ롣
Τ褦ˡϴְäƤȹͤ٤ǡ
ץǤ򤱤٤Ǥ롣
.I gzip
κԤϡץͿĶѿ
.B GZIP_OPT
˲̾뤳Ȥͤۤ褤
.SH Ϣ
.BR bash (1),
.BR csh (1),
.BR login (1),
.BR sh (1),
.BR tcsh (1),
.BR execve (2),
.BR clearenv (3),
.BR exec (3),
.BR getenv (3),
.BR putenv (3),
.BR setenv (3),
.BR unsetenv (3),
.BR locale (5)