Files
2024-02-19 00:21:16 -05:00

115 lines
2.9 KiB
C

/* Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/*
* POSIX Standard: 9.2.1 Group Database Access <grp.h>
*/
#ifndef _GRP_H
#define _GRP_H 1
#include <traditional.h>
#include <features.h>
#include <sys/types.h>
/* The group structure. */
struct group
{
char *gr_name; /* Group name. */
char *gr_passwd; /* Password. */
gid_t gr_gid; /* Group ID. */
char **gr_mem; /* Member list. */
};
#if defined(__USE_SVID) || defined(__USE_GNU)
#define __need_FILE
#include <stdio.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __USE_GNU
/* Return a new stream open on the group file. */
extern FILE *__grpopen _ARGS ((void));
/* Read a group entry from STREAM, filling in G.
Return the `struct group' of G if successful, NULL on failure. */
extern struct group *__grpread _ARGS ((FILE *__stream, void * __g));
/* Return a chunk of memory containing pre-initialized data for __grpread. */
extern void * __grpalloc _ARGS ((void));
#endif
#if defined (__USE_SVID) || defined(__USE_MISC)
/* Rewind the group-file stream. */
extern void setgrent _ARGS ((void));
/* Close the group-file stream. */
extern void endgrent _ARGS ((void));
/* Read an entry from the group-file stream, opening it if necessary. */
extern struct group *getgrent _ARGS ((void));
#endif
#ifdef __USE_SVID
/* Read a group entry from STREAM. */
extern struct group *fgetgrent _ARGS ((FILE *__stream));
#endif
/* Search for an entry with a matching group ID. */
extern struct group *getgrgid _ARGS ((gid_t __gid));
/* Search for an entry with a matching group name. */
extern struct group *getgrnam _ARGS ((const char *__name));
#ifdef __cplusplus
}
#endif
#ifdef __USE_BSD
#ifndef __STDC__
#define __need_size_t
#include <stddef.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Set the group set for the current user to GROUPS (N of them). */
extern int setgroups _ARGS ((int __n, gid_t *__groups));
/* Initialize the group set for the current user
by reading the group database and using all groups
of which USER is a member. Also GROUP. */
extern int initgroups _ARGS ((const char *__user, gid_t __group));
#endif /* Use BSD. */
#ifdef __cplusplus
}
#endif
#endif /* grp.h */