.\" (c) 1993 by Thomas Koenig (ig25@rz.uni-karlsruhe.de)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one
.\" 
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.  The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\" 
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\" License.
.\" Modified Sat Jul 24 17:51:42 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified Tue Aug 17 11:42:20 1999 by Ariel Scolnicov (ariels@compugen.co.il)
.\"
.\" Japanese Version Copyright (c) 1998
.\"             ISHIKAWA Mutsumi, all rights reserved.
.\" Translated Wed Jun  3 00:54:25 JST 1998
.\"         by ISHIKAWA Mutsumi <ishikawa@linux.or.jp>
.\" Updated Thu Dec 8 04:20:44 JST 1999
.\"		by Kentaro Shirakata <argrath@yo.rim.or.jp>
.\"
.TH SYSCONF 3  1993-04-18 "GNU" "Linux Programmer's Manual"
.SH ̾
sysconf \- ư
.SH 
.nf
.B #include <unistd.h>
.sp
.BI "long sysconf(int " "name" );
.fi
.SH 
.B sysconf() 
ϡ(ƥ)ưˡץꥱ󤬥ƥ¤ͤ
ץ¬ꤹˡ󶡤롣
.PP
.B <unistd.h>
ˤϡƱεǽäޥƤ뤬Ȥä
ϡݼŪʤΤ˸¤Ƥ롣
ץꥱ󤫤ѹǤͤΤꤿˤϡ
.B sysconf()
ƤӽФȤ褤꼫ͳ٤礭뤳ȤǤ롣
.PP
Υե˴ؤ뤿ˤϡ
.BR fpathconf() " ޤ " pathconf()
򸫤뤳ȡ
.PP
.IR name
ˤơʲΤ褦ͤݡȤƤ롣
ޤPOSIX.1 ߴ:
.TP
.B _SC_ARG_MAX
.B exec()
ؿեߥ꡼ΰκĹбޥ
.BR ARG_MAX
Ǥ롣
.TP
.B _SC_CHILD_MAX
桼 ID Ʊ¸ߤǤץбޥ
.BR _POSIX_CHILD_MAX
Ǥ롣
.TP
.B _SC_CLK_TCK
äΥåбޥ
.BR CLK_TCK
Ǥ롣
.TP
.B _SC_STREAM_MAX
ץĤǤ⥪ץǤ륹ȥ꡼κ
б POSIX ޥ
.BR STREAM_MAX
ޤбɸ C ޥ
.BR FOPEN_MAX
Ǥ롣
.TP
.B _SC_TZNAME_MAX
ॾ̾ȤƻȤХȿκ͡
бޥ
.BR TZNAME_MAX
Ǥ롣
.TP
.B _SC_OPEN_MAX
ץĤǤ⥪ץǤեκ͡
бޥ
.BR _POSIX_OPEN_MAX
Ǥ롣
.TP
.B _SC_JOB_CONTROL
POSIX Υ֥ȥ򥵥ݡȤƤ뤫ɤ򼨤
бޥ
.BR _POSIX_JOB_CONTROL
Ǥ롣
.TP
.B _SC_SAVED_IDS
ץåȥ桼 ID(set-user-ID)ĥåȥ롼 ID Ƥ
ɤ򼨤бޥ
.BR _POSIX_SAVED_IDS
Ǥ롣
.TP
.B _SC_VERSION
ϡPOSIX.1 ɸबǧ줿ǯȷ
.BR YYYYMML
ȤեޥåȤǼ
.B 199009L
Ȥͤϡ1990 ǯΤäȤ⿷СǤ뤳Ȥ򼨤
.PP
ˡPOSIX.2 :
.TP
.B _SC_BC_BASE_MAX
ϡ
.BR bc (1)
桼ƥƥˤäơ
.I obase
ͤκ򼨤бޥϡ
.BR BC_BASE_MAX
Ǥ롣
.TP
.B _SC_BC_DIM_MAX
ϡ
.BR bc (1)
ˤơĤǤͤκͤ򼨤
бޥ
.BR BC_DIM_MAX
Ǥ롣
.TP
.B _SC_BC_SCALE_MAX
ϡ
.BR bc (1)
ˤơ
.I scale
κͤ򼨤
бޥϡ
.BR BC_SCALE_MAX
Ǥ롣
.TP
.B _SC_BC_STRING_MAX
.BR bc (1)
ˤơդʸĹκͤ򼨤
бޥϡ
.BR BC_STRING_MAX
Ǥ롣
.TP
.B _SC_COLL_WEIGHTS_MAX
ϡlocale ե
.B LC_COLLATE
ɤΥȥ˳Ƥ롢Ťߤκ򼨤
бޥϡ
.BR COLL_WEIGHTS_MAX
Ǥ롣
.TP
.B _SC_EXPR_NEST_MAX
ϡ
.BR expr (1)
ˤơ̤ѤƥͥȤǤ뼰κ
бޥϡ
.BR EXPR_NEST_MAX
Ǥ롣
.TP
.B _SC_LINE_MAX
桼ƥƥϤˤԤκĹɸϤǤʤե
뤫ξˤŬѤ롣Ĺϡ(Ԥ)ˤĤƤ롢
ʸޤǤ롣
бޥϡ
.BR LINE_MAX
Ǥ롣
.TP
.B _SC_RE_DUP_MAX
֤ɽ(interval notation)
.B \e{m,n\e}
˻Ǥɽη֤κ͡
ͤбޥϡ
.BR RE_DUP_MAX
Ǥ롣
.TP
.B _SC_2_VERSION
ϡYYYYMML Ȥ񼰤ɽ POSIX.2 ɸΥС򼨤
бޥϡ
.BR POSIX2_VERSION
Ǥ롣
.TP
.B _SC_2_DEV
ϡPOSIX.2 C 쳫ȯǽ򥵥ݡȤƤ뤫ɤ򼨤
бޥϡ
.BR POSIX2_C_DEV
Ǥ롣
.TP
.B _SC_2_FORT_DEV
ϡPOSIX.2 FORTRAN ȯ桼ƥƥ򥵥ݡȤƤ뤫ɤ

бޥ
.BR POSIX2_FORT_RUN
Ǥ롣
.TP
.B _SC_2_FORT_RUN
ϡPOSIX.2 FORTRAN 󥿥桼ƥƥݡȤƤ뤫ɤ
򼨤
бޥϡ
.BR POSIX2_FORT_RUN
Ǥ롣
.TP
.B _SC_2_LOCALEDEF
ϡ
.BR localedef (1)
ѤPOSIX.2 ˤ locale κ򥵥ݡȤ뤫򼨤
бޥϡ
.BR _POSIX2_LOCALEDEF
Ǥ롣
.TP
.B _SC_2_SW_DEV
ϡPOSIX.2 եȥȯ桼ƥƥץ󤬥ݡȤƤ
뤫ɤ򼨤
бޥϡ
.BR POSIX2_SW_DEV
Ǥ롣
.PP
SUSv2ǤϰʲΤΤ롣
.TP
.B _SC_PAGESIZE _SC_PAGE_SIZE
ڡΥ(Хñ)
.PP
ʲͤ¸ߤ뤬ɸˤϴޤޤƤʤ
.TP
.B _SC_PHYS_PAGES
ʪΥڡ
ͤ
.B _SC_PAGE_SIZE
ͤѤϷ夢դ줹뤫⤷ʤȤդ뤳ȡ
.TP
.B _SC_AVPHYS_PAGES
ѲǽʪΥڡ

.SH ֤
֤ͤϡƥ꥽ͤǤ롣䤤碌ץ(queried
option)ѤǤ 1 ֤ꡢǤʤ 0 ֤롣ޤ顼
ˤ \-1 ֤롣
.I errno
ѿϥåȤʤ
.SH 
POSIX.1,  POSIX.2
.SH Х
.B ARG_MAX
ȤΤ񤷤ʤʤ顢
.B exec()
Τˤɤ٤ΰΰ(argument space)񤵤뤫ȤΤϡ桼
δĶѿˤäꤵʤǤ롣
.PP
Ĥ֤ͤϤȤƤ礭ʤ(礭)
ƤΤŬǤϤʤ
.PP
POSIX.2 ϡޤɸȤǧĤƤʤΥޥ˥奢ڡξ
ϡѹ줦롣
.SH Ϣ
.BR bc (1),
.BR expr (1),
.BR locale (1),
.BR fpathconf (3),
.BR pathconf (3)