1 .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
3 .\" Permission is granted to make and distribute verbatim copies of this
4 .\" manual provided the copyright notice and this permission notice are
5 .\" preserved on all copies.
7 .\" Permission is granted to copy and distribute modified versions of this
8 .\" manual under the conditions for verbatim copying, provided that the
9 .\" entire resulting derived work is distributed under the terms of a
10 .\" permission notice identical to this one.
12 .\" Since the Linux kernel and libraries are constantly changing, this
13 .\" manual page may be incorrect or out-of-date. The author(s) assume no
14 .\" responsibility for errors or omissions, or for damages resulting from
15 .\" the use of the information contained herein. The author(s) may not
16 .\" have taken the same level of care in the production of this manual,
17 .\" which is licensed free of charge, as they might when working
20 .\" Formatted or processed versions of this manual, if unaccompanied by
21 .\" the source, must acknowledge the copyright and authors of this work.
23 .\" References consulted:
24 .\" Linux libc source code
25 .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
27 .\" Modified Sat Jul 24 19:23:25 1993 by Rik Faith (faith@cs.unc.edu)
28 .\" Modified Mon May 27 21:37:47 1996 by Martin Schulze (joey@linux.de)
30 .\" Japanese Version Copyright (c) 1997 HIROFUMI Nishizuka
31 .\" all rights reserved.
32 .\" Translated 1997-12-19, HIROFUMI Nishizuka <nishi@rpts.cl.nec.co.jp>
33 .\" Modified 1999-12-08, Kentaro Shirakata <argrath@yo.rim.or.jp>
34 .\" Modified 2005-09-04, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
35 .\" Modified 2008-07-23, Kentaro Shirakata <argrath@ub32.org>
37 .TH GETPW 3 2010-10-21 "GNU" "Linux Programmer's Manual"
40 .\"O getpw \- Re-construct password line entry
41 getpw \- パスワード行エントリを取得する
45 .\"O .BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
46 .BR "#define _GNU_SOURCE" " /* feature_test_macros(7) 参照 */"
47 .B #include <sys/types.h>
50 .BI "int getpw(uid_t " uid ", char *" buf );
56 .\"O function reconstructs the password line entry for
57 .\"O the given user ID \fIuid\fP in the buffer \fIbuf\fP.
58 .\"O The returned buffer contains a line of format
60 関数は、バッファ \fIbuf\fP に指定ユーザ ID \fIuid\fP の
65 .B name:passwd:uid:gid:gecos:dir:shell
68 .\"O The \fIpasswd\fP structure is defined in \fI<pwd.h>\fP as follows:
69 \fIpasswd\fP 構造体は \fI<pwd.h>\fP で以下のように定義されている:
74 char *pw_name; /* username */
75 char *pw_passwd; /* user password */
76 uid_t pw_uid; /* user ID */
77 gid_t pw_gid; /* group ID */
78 char *pw_gecos; /* user information */
79 char *pw_dir; /* home directory */
80 char *pw_shell; /* shell program */
85 .\"O For more information about the fields of this structure, see
90 .\"O .SH "RETURN VALUE"
94 .\"O function returns 0 on success; on error, it returns \-1, and
96 .\"O is set to indicate the error.
98 関数は、成功した場合 0 を返す; エラーが発生した場合 \-1 を返し、エラーを
112 .\"O No user corresponding to
118 .\"O Insufficient memory to allocate
127 .\"O password database file
129 .\"O .SH "CONFORMING TO"
137 .\"O function is dangerous as it may overflow the provided buffer
142 がオーバーフローするかもしれないので危険である。
143 .\"O It is obsoleted by
144 .\"O .BR getpwuid (3).