putgrent — write a group database entry to a file
#define _GNU_SOURCE #include <grp.h>
int putgrent( |
const struct group *grp, |
FILE *fp) ; |
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 */};