FGETGRENT
Section: Linux Programmer's Manual (3)
Updated: April 4, 1993
NAME
fgetgrent - get group file entry
SYNOPSIS
#include <grp.h>
#include <stdio.h>
#include <sys/types.h>
struct group *fgetgrent(FILE *stream);
DESCRIPTION
The fgetgrent() function returns a pointer to a structure containing
the group information from the file stream. The first time it is called
it returns the first entry; thereafter, it returns successive entries. The
file stream must have the same format as /etc/group.
The group structure is defined in <grp.h> 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 fgetgrent() function returns the group information structure,
or NULL if there are no more entries or an error occurs.
ERRORS
- ENOMEM
-
Insufficient memory to allocate group information structure.
CONFORMING TO
SVID 3
SEE ALSO
getgrnam(3), getgrgid(3), getgrent(3),
setgrent(3), endgrent(3)