root/include/grp.h
/*      $OpenBSD: grp.h,v 1.13 2018/09/13 12:31:15 millert Exp $        */
/*      $NetBSD: grp.h,v 1.7 1995/04/29 05:30:40 cgd Exp $      */

/*-
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)grp.h       8.2 (Berkeley) 1/21/94
 */

#ifndef _GRP_H_
#define _GRP_H_

#include <sys/types.h>

#if __BSD_VISIBLE
#define _PATH_GROUP             "/etc/group"
#define _GR_BUF_LEN             (1024+200*sizeof(char*))
#endif

struct group {
        char    *gr_name;               /* group name */
        char    *gr_passwd;             /* group password */
        gid_t   gr_gid;                 /* group id */
        char    **gr_mem;               /* group members */
};

__BEGIN_DECLS
struct group    *getgrgid(gid_t);
struct group    *getgrnam(const char *);
#if __BSD_VISIBLE || __XPG_VISIBLE
struct group    *getgrent(void);
void             setgrent(void);
void             endgrent(void);
#endif
#if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE
int              getgrgid_r(gid_t, struct group *, char *,
                    size_t, struct group **);
int              getgrnam_r(const char *, struct group *, char *,
                    size_t, struct group **);
#endif
#if __BSD_VISIBLE
int              setgroupent(int);
int              gid_from_group(const char *, gid_t *);
const char      *group_from_gid(gid_t, int);
#endif
__END_DECLS

#endif /* !_GRP_H_ */