1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1982-2011 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                 Eclipse Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*          http://www.eclipse.org/org/documents/epl-v10.html           *
11*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                  David Korn <dgk@research.att.com>                   *
18*                                                                      *
19***********************************************************************/
20#pragma prototyped
21#ifndef  _ENV_H
22#define	_ENV_H	1
23
24#ifdef _BLD_env
25#    ifdef __EXPORT__
26#	define export	__EXPORT__
27#    endif
28#else
29     typedef void *Env_t;
30#endif
31
32/* for use with env_open */
33#define ENV_STABLE	(-1)
34
35/* for third agument to env_add */
36#define ENV_MALLOCED	1
37#define ENV_STRDUP	2
38
39extern void	env_close(Env_t*);
40extern int	env_add(Env_t*, const char*, int);
41extern int	env_delete(Env_t*, const char*);
42extern char	**env_get(Env_t*);
43extern Env_t	*env_open(char**,int);
44extern Env_t	*env_scope(Env_t*,int);
45
46#undef extern
47
48#endif
49
50
51