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-'\" t
-.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.\" References consulted:
-.\" Linux libc source code
-.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
-.\" 386BSD man pages
-.\" Modified Sat Jul 24 19:23:25 1993 by Rik Faith (faith@cs.unc.edu)
-.\" Modified Mon May 27 21:37:47 1996 by Martin Schulze (joey@linux.de)
-.\"
-.TH getpw 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-getpw \- reconstruct password line entry
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
-.B #include <sys/types.h>
-.B #include <pwd.h>
-.P
-.BI "[[deprecated]] int getpw(uid_t " uid ", char *" buf );
-.fi
-.SH DESCRIPTION
-The
-.BR getpw ()
-function reconstructs the password line entry for
-the given user ID \fIuid\fP in the buffer \fIbuf\fP.
-The returned buffer contains a line of format
-.P
-.in +4n
-.EX
-.B name:passwd:uid:gid:gecos:dir:shell
-.EE
-.in
-.P
-The \fIpasswd\fP structure is defined in \fI<pwd.h>\fP as follows:
-.P
-.in +4n
-.EX
-struct passwd {
- char *pw_name; /* username */
- char *pw_passwd; /* user password */
- uid_t pw_uid; /* user ID */
- gid_t pw_gid; /* group ID */
- char *pw_gecos; /* user information */
- char *pw_dir; /* home directory */
- char *pw_shell; /* shell program */
-};
-.EE
-.in
-.P
-For more information about the fields of this structure, see
-.BR passwd (5).
-.SH RETURN VALUE
-The
-.BR getpw ()
-function returns 0 on success; on error, it returns \-1, and
-.I errno
-is set to indicate the error.
-.P
-If
-.I uid
-is not found in the password database,
-.BR getpw ()
-returns \-1, sets
-.I errno
-to 0, and leaves
-.I buf
-unchanged.
-.SH ERRORS
-.TP
-.BR 0 " or " ENOENT
-No user corresponding to
-.IR uid .
-.TP
-.B EINVAL
-.I buf
-is NULL.
-.TP
-.B ENOMEM
-Insufficient memory to allocate
-.I passwd
-structure.
-.SH FILES
-.TP
-.I /etc/passwd
-password database file
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR getpw ()
-T} Thread safety MT-Safe locale
-.TE
-.SH STANDARDS
-None.
-.SH HISTORY
-SVr2.
-.SH BUGS
-The
-.BR getpw ()
-function is dangerous as it may overflow the provided buffer
-.IR buf .
-It is obsoleted by
-.BR getpwuid (3).
-.SH SEE ALSO
-.BR endpwent (3),
-.BR fgetpwent (3),
-.BR getpwent (3),
-.BR getpwnam (3),
-.BR getpwuid (3),
-.BR putpwent (3),
-.BR setpwent (3),
-.BR passwd (5)