.\" Copyright (c) 1996 Andries Brouwer (aeb@cwi.nl)
.\"
.\" 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., 675 Mass Ave, Cambridge, MA 02139,
.\" USA.
.\"
.\" 5 Oct 2002, Modified by Michael Kerrisk <mtk16@ext.canterbury.ac.nz>
.\"    Updated for POSIX 1003.1 2001
.\"
.\" Japanese Version Copyright (c) 1997 HIROFUMI Nishizuka
.\"     all rights reserved.
.\" Translated Wed Dec 24 11:58:12 JST 1997
.\"     by HIROFUMI Nishizuka <nishi@rpts.cl.nec.co.jp>
.\" Updated & Modified Mon Mar 1 1999
.\"       by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated & Modified Sat Aug 21 1999
.\"       by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated & Modified Thu Jul  3 2003
.\"       by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
.TH ERRNO 3 2002-10-05 "" "Library functions"
.SH ̾
errno \- ľȯ顼ֹ
.SH 
.B #include <errno.h>
.sp
.BI "extern int " errno ;
.SH 

.B errno
ˤϡƥॳ (ڤӤĤΥ饤֥ؿ) ˤ
顼θ򼨤ͤꤵ롣
ͤϥ뤬顼 (̾ \-1) ֤ˤΤ̣߰Ĥ
饤֥ؿ
.B errno
ѹ뤳ȤƤ롣

ˤ \-1 ֤ͤǤ뤳Ȥ⤢롣
Τ褦ʾ硢顼򸡽Ф뤿ˤϡƤӽФ
.B errno
 0 ˤƤɬפ롣

\fBerrno\fR ϡISO C standard  \fBint\fR ѹǽʺ
ȤƤꡢŪԤäƤϤʤʤ;
\fBerrno\fR ϥޥξ⤢ꤨ롣 \fBerrno\fR ϥå
ͤġĤޤꤢ륹åɤ \fBerrno\fR ꤵƤ⡢
¾Υåɤ \fBerrno\fR ˤϱƶʤ

ͭʥ顼ֹϤ 0 ʳͤġ
Ĥޤꡢ \fBerrno\fR  0 ꤹ饤֥ؿϤʤ
POSIX.1 Ƥ뤹٤ƤΥ顼̾ˤϡ
줾ۤʤͤбƤʤФʤʤ

.\" FIXME EILSEQ  C99 ǵꤵƤ
POSIX.1 (2001 ǯ) ǤΥ顼̾ܥΥꥹȤʲ˼
Τ \fBEDOM\fR  \fBERANGE\fR  ISO C standard ˤ롣
ˡISO C Amendment 1 Ǥϡ顼ֹ \fBEILSEQ\fR 
ޥХʸ磻ʸǤ沽顼ɽ
Ƥ롣

.TP
.B E2BIG
ꥹȤĹ
.TP
.B EACCES
¤ʤ
.TP
.B EADDRINUSE
ɥ쥹ѤƤ
.TP
.B EADDRNOTAVAIL
ɥ쥹ѤǤʤ
.TP
.B EAFNOSUPPORT
ɥ쥹եߥ꡼ݡȤƤʤ
.TP
.B EAGAIN
꥽ŪԲ
.TP
.B EALREADY
³˽Ǥ
.TP
.B EBADF
եǥץǤ
.TP
.B EBADMSG
åǤ
.TP
.B EBUSY
꥽Ǥ
.TP
.B ECANCELED
󥻥뤵줿
.TP
.B ECHILD
ҥץ̵
.TP
.B ECONNABORTED
³ߤ줿
.TP
.B ECONNREFUSED
³ݤ줿
.TP
.B ECONNRESET
³ꥻåȤ줿
.TP
.B EDEADLK
꥽Υǥåɥå򤷤
.TP
.B EDESTADDRREQ
襢ɥ쥹ɬפǤ
.TP
.B EDOM
ɥᥤ󥨥顼
.TP
.B EDQUOT
ͽ
.TP
.B EEXIST
ե뤬¸ߤ
.TP
.B EFAULT
ɥ쥹Ǥ
.TP
.B EFBIG
ե뤬礭
.TP
.B EHOSTUNREACH
ۥȤãǽǤ
.TP
.B EIDRM
̻ (identifier) 줿
.TP
.B EILSEQ
ʥХ
.TP
.B EINPROGRESS
¹Ǥ
.TP
.B EINTR
ؿƤӽФޤ줿
.TP
.B EINVAL
̵Ǥ
.TP
.B EIO
ϥ顼
.TP
.B EISCONN
åȤ³Ƥ
.TP
.B EISDIR
ǥ쥯ȥǤ
.TP
.B ELOOP
ܥå󥯤β¿
.TP
.B EMFILE
ץ󤵤Ƥե뤬¿
.TP
.B EMLINK
󥯤¿
.TP
.B EMSGSIZE
åХåեĹŬڤǤʤ
.TP
.B EMULTIHOP
ͽ
.TP
.B ENAMETOOLONG
ե̾Ĺ
.TP
.B ENETDOWN
ͥåȥ̤Ǥ
.TP
.B ENETRESET
³ͥåȥ¦ߤ줿
.TP
.B ENETUNREACH
ͥåȥãǽǤ
.TP
.B ENFILE
ƥΤǥץ󤵤Ƥե뤬¿
.TP
.B ENOBUFS
ѲǽʥХåե֤ʤ
.\" ENODATA  XSR ץΰĤǤ
.TP
.B ENODATA
ȥ꡼ɤ߽Ф塼Ƭɤ߽Фǽʥåʤ
.TP
.B ENODEV
Τ褦ʥǥХ̵
.TP
.B ENOENT
Τ褦ʥեǥ쥯ȥ̵
.TP
.B ENOEXEC
¹ԥեΥ顼
.TP
.B ENOLCK
ѤǤå̵
.TP
.B ENOLINK
ͽ
.TP
.B ENOMEM
ʬʶΰ褬̵
.TP
.B ENOMSG
׵ᤵ줿Υå¸ߤʤ
.TP
.B ENOPROTOOPT
ꤵ줿ץȥ뤬ѤǤʤ
.TP
.B ENOSPC
ǥХ˶ΰ褬̵
.\" ENOSR  XSR ץΰĤǤ
.TP
.B ENOSR
ꤵ줿ȥ꡼ࡦ꥽¸ߤʤ
.\" ENOSTR  XSR ץΰĤǤ
.TP
.B ENOSTR
ȥ꡼ǤϤʤ
.TP
.B ENOSYS
ؿƤʤ
.TP
.B ENOTCON
åȤ³Ƥʤ
.TP
.B ENOTDIR
ǥ쥯ȥǤϤʤ
.TP
.B ENOTEMPTY
ǥ쥯ȥ꤬ǤϤʤ
.TP
.B ENOTSOCK
åȤǤϤʤ
.TP
.B ENOTSUP
ݡȤƤʤ
.TP
.B ENOTTY
I/O ŬڤǤʤ
.TP
.B ENXIO
Τ褦ʥǥХ䥢ɥ쥹Ϥʤ
.TP
.B EOPNOTSUPP
åȤݡȤƤʤǤ
.TP
.B EOVERFLOW
ꤵ줿ǡ˳Ǽˤͤ礭
.TP
.B EPERM
ĤƤʤ
.TP
.B EPIPE
ѥפ˲줿
.TP
.B EPROTO
ץȥ롦顼
.TP
.B EPROTONOSUPPORT
ץȥ뤬ݡȤƤʤ
.TP
.B EPROTOTYPE
åȤ˻Ǥʤץȥ롦פǤ
.TP
.B ERANGE
̤礭
.TP
.B EROFS
ե륷ƥब꡼ɥ꡼
.TP
.B ESPIPE
̵ʥ
.TP
.B ESRCH
Τ褦ʥץ̵
.TP
.B ESTALE
ͽ
\" ETIME  XSR ץΰĤǤ
.TP
.B ETIME
ȥ꡼Ф ioctl() ॢȤ
.TP
.B ETIMEDOUT
ॢȤ
.TP
.B ETXTBSY
¹ԥե뤬Ǥ
.TP
.B EWOULDBLOCK
֥å븫ߤǤ
.RB ( EAGAIN
ƱͤǤ褤)
.TP
.B EXDEV
Ŭڤʥ
.SH Ϣ
.BR perror (3),
.BR strerror (3)