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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 *fp);
DESCRIPTION
       The putgrent() function is the counterpart for fgetgrent(3).  The func-
       tion writes the content of the provided  struct  group  into  the  file
       pointed to by fp.  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.
CONFORMING TO
       This function is a GNU extension.
SEE ALSO
       fgetgrent(3), getgrent(3), group(5)
COLOPHON
       This page is part of release 3.53 of the Linux  man-pages  project.   A
       description  of  the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

GNU                               2003-09-09                       PUTGRENT(3)