Linux manual pages Section 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)

COLOPHON

This page is part of release 4.07 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/.


  Copyright 2003 Walter Harms (walter.harmsinformatik.uni-oldenburg.de)

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