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.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
.\" 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.\" manual page may be incorrect or out-of-date.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.
.\"
.\" References consulted:
.\" Linux libc source code
.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\" 386BSD man pages
.\" Modified Mon Mar 29 22:31:13 1993, David Metcalfe
.\" Modified Sun Jun 6 23:27:50 1993, David Metcalfe
.\" Modified Sat Jul 24 21:45:37 1993, Rik Faith (faith@cs.unc.edu)
.\" Modified Sat Dec 16 15:02:59 2000, Joseph S. Myers
.\"
.\" Japanese Version Copyright (c) 1996 Kentaro OGAWA
.\" all rights reserved.
.\" Translated Sat, 13 Jul 1996 22:44:04 +0900
.\" by Kentaro OGAWA <k_ogawa@oyna.cc.muroran-it.ac.jp>
.\" Updated Mon 29 Jan 2001 17:18:34 JST by Kentaro Shirakata <argrath@ub32.org>
.\"
.TH ABS 3 "17 December 2000" "GNU" "Linux Programmer's Manual"
.SH ̾
abs, labs, llabs, imaxabs \- ͤ
.SH
.nf
.B #include <stdlib.h>
.sp
.BI "int abs(int " j );
.br
.BI "long int labs(long int " j );
.br
.BI "long long int llabs(long long int " j );
.sp
.B #include <inttypes.h>
.sp
.BI "intmax_t imaxabs(intmax_t " j );
.fi
.SH
\fBabs()\fP ؿϡΰ\fIj\fPͤ롣
\fBlabs()\fP, \fBllabs()\fP, \fBimaxabs()\fP ؿϡ
줾δؿη˱ \fIj\fP ͤ롣
.SH ֤
줾δؿη˱ΰ֤ͤ
.SH
SVID 3, POSIX, BSD 4.3, ISO 9899
POSIX.1 (1996 ǯ) \fBabs()\fP ؿΤߤᤷƤ롣
ISO/IEC 9899:1990 (C89) \fBabs()\fP ؿ \fBlabs()\fP ؿΤߤޤǤ롣
\fBllabs()\fP ؿ \fBimaxabs()\fP ؿ C99 ɲä줿
.SH
ͤϡƤʤ
.PP
\fBllabs()\fP ؿϥС 2.0 glibc ˴ޤޤ褦ˤʤä
libc5 libc4 ˤϤʤ
\fBimaxabs()\fP ؿ С 2.1.1 glibc ˴ޤޤ褦ˤʤä
.PP
\fBllabs()\fP 뤿ˤϡɸإå include
\fB_ISOC99_SOURCE\fP \fB_ISOC9X_SOURCE\fP(ɤ餫 glibc
С˰¸) define Ƥɬפ롣
.PP
GCC \fBabs()\fP \fBlabs()\fP ӥɥؿȤư
GCC 3.0 \fBllabs()\fP \fBimaxabs()\fP ӥɥȤư
.SH Ϣ
.BR ceil (3),
.BR floor (3),
.BR fabs (3),
.BR rint (3)
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