Man page - putgrent(3)

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Manual

putgrent

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
RETURN VALUE
ATTRIBUTES
STANDARDS
SEE ALSO

NAME

putgrent - write a group database entry to a file

LIBRARY

Standard C library ( libc , -lc )

SYNOPSIS

#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <grp.h>

int putgrent(const struct group *restrict grp , FILE *restrict 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).

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STANDARDS

GNU.

SEE ALSO

fgetgrent (3), getgrent (3), group (5)