PUTGRENT
Section: Linux Programmer's Manual (3)
Updated: 2017-09-15
Page Index
NAME
putgrent - write a group database entry to a file
SYNOPSIS
#define _GNU_SOURCE /* See
feature_test_macros(7) */
#include <grp.h>
int putgrent(const struct group *grp, FILE *stream);
DESCRIPTION
The
putgrent()
function is the counterpart for
fgetgrent(3).
The function writes the content of the provided
struct group
into the
stream.
The list of group members must be NULL-terminated or NULL-initialized.
The
struct group
is defined as follows:
struct group {
char *gr_name; /* group name */
char *gr_passwd; /* group password */
gid_t gr_gid; /* group ID */
char **gr_mem; /* group members */
};
RETURN VALUE
The function returns zero on success, and a nonzero value on error.
ATTRIBUTES
For an explanation of the terms used in this section, see
attributes(7).
Interface | Attribute | Value
|
putgrent()
| Thread safety | MT-Safe
|
CONFORMING TO
This function is a GNU extension.
SEE ALSO
fgetgrent(3),
getgrent(3),
group(5)
COLOPHON
This page is part of release 5.10 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/.