putgrent

PUTGRENT(3)                Linux Programmer's Manual               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)

COLOPHON
       This page is part of release 5.08 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                       PUTGRENT(3)