PUTPWENT(3) Linux Programmer's Manual PUTPWENT(3)
NAME
putpwent - write a password file entry
SYNOPSIS
#include <stdio.h>
#include <sys/types.h>
#include <pwd.h>
int putpwent(const struct passwd *p, FILE *stream);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
putpwent():
Since glibc 2.19:
_DEFAULT_SOURCE
Glibc 2.19 and earlier:
_SVID_SOURCE
DESCRIPTION
The putpwent() function writes a password entry from the structure p in
the file associated with stream.
The passwd structure is defined in <pwd.h> as follows:
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; /* real name */
char *pw_dir; /* home directory */
char *pw_shell; /* shell program */
};
RETURN VALUE
The putpwent() function returns 0 on success, or -1 if an error occurs.
In the event of an error, errno is set to indicate the cause.
ERRORS
EINVAL Invalid (NULL) argument given.
ATTRIBUTES
For an explanation of the terms used in this section, see at-
tributes(7).
+-----------+---------------+----------------+
|Interface | Attribute | Value |
+-----------+---------------+----------------+
|putpwent() | Thread safety | MT-Safe locale |
+-----------+---------------+----------------+
CONFORMING TO
SVr4.
SEE ALSO
endpwent(3), fgetpwent(3), getpw(3), getpwent(3), getpwnam(3), getp-
wuid(3), setpwent(3)
COLOPHON
This page is part of release 5.07 of the Linux man-pages project. A
description of the project, information about reporting bugs, and the
latest version of this page, can be found at
https://www.kernel.org/doc/man-pages/.
GNU 2017-09-15 PUTPWENT(3)