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 function 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 3.54 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/.