putgrent (3)

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)

Information

Source
Linux kernel
OS/version
GNU
Source updated
September 15, 2017
Page created
February 9, 2018
Page generated
December 2, 2018