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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.\" manual page may be incorrect or out-of-date.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 Sat Jul 24 19:10:36 1993 by Rik Faith (faith@cs.unc.edu)
.\"
.\" Japanese Version Copyright (c) 1998
.\" ISHIKAWA Mutsumi, all rights reserved.
.\" Translated Sat May 23 15:22:23 JST 1998
.\" by ISHIKAWA Mutsumi <ishikawa@linux.or.jp>
.\" Updated Wed Jan 9 JST 2002 by Kentaro Shirakata <argrath@ub32.org>
.\"
.TH INITGROUPS 3 1993-04-05 "GNU" "Linux Programmer's Manual"
.SH ̾
initgroups \- ɲäΥ롼ץꥹȤν
.SH
.nf
.B #include <grp.h>
.B #include <sys/types.h>
.sp
.BI "int initgroups(const char *" user ", gid_t " group );
.fi
.SH
\fBinitgroups()\fP ؿϥ롼ץǡ١ \fI/etc/group\fP ɤ
ǡ\fIuser\fP °ƤƤΥ롼פȤäơ롼ץ
ꥹȤ롣ˡ\fIgroup\fP ˼륰롼פ⥰롼
ץꥹȤɲä롣
.SH ֤
\fBinitgroups()\fP ؿϡλ 0 ֤顼ä
\-1 ֤
.SH 顼
.TP
.B EPERM
ƽФץʬøäƤʤ
.TP
.B ENOMEM
롼¤Τ֤ΤΥ꤬Ƥ롣
.SH ե
.nf
\fI/etc/group\fP 롼ץǡ١ե
.fi
.SH
SVID 3, BSD 4.3
.SH
.B initgroups
Υץȥϡ
.B _BSD_SOURCE
(Ūˡ뤤 _POSIX_SOURCE -ansi ե饰ꤷ
ѥ뤹뤳ȤˤäưŪ)ƤȤˤΤͭȤʤ롣
.SH Ϣ
.BR getgroups (2),
.BR setgroups (2)
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