1*4887Schin /***********************************************************************
2*4887Schin *                                                                      *
3*4887Schin *               This software is part of the ast package               *
4*4887Schin *           Copyright (c) 1982-2007 AT&T Knowledge Ventures            *
5*4887Schin *                      and is licensed under the                       *
6*4887Schin *                  Common Public License, Version 1.0                  *
7*4887Schin *                      by AT&T Knowledge Ventures                      *
8*4887Schin *                                                                      *
9*4887Schin *                A copy of the License is available at                 *
10*4887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
11*4887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12*4887Schin *                                                                      *
13*4887Schin *              Information and Software Systems Research               *
14*4887Schin *                            AT&T Research                             *
15*4887Schin *                           Florham Park NJ                            *
16*4887Schin *                                                                      *
17*4887Schin *                  David Korn <dgk@research.att.com>                   *
18*4887Schin *                                                                      *
19*4887Schin ***********************************************************************/
20*4887Schin #pragma prototyped
21*4887Schin #ifndef  _ENV_H
22*4887Schin #define	_ENV_H	1
23*4887Schin 
24*4887Schin #ifdef _BLD_env
25*4887Schin #    ifdef __EXPORT__
26*4887Schin #	define export	__EXPORT__
27*4887Schin #    endif
28*4887Schin #else
29*4887Schin      typedef void *Env_t;
30*4887Schin #endif
31*4887Schin 
32*4887Schin /* for use with env_open */
33*4887Schin #define ENV_STABLE	(-1)
34*4887Schin 
35*4887Schin /* for third agument to env_add */
36*4887Schin #define ENV_MALLOCED	1
37*4887Schin #define ENV_STRDUP	2
38*4887Schin 
39*4887Schin extern void	env_close(Env_t*);
40*4887Schin extern int	env_add(Env_t*, const char*, int);
41*4887Schin extern int	env_delete(Env_t*, const char*);
42*4887Schin extern char	**env_get(Env_t*);
43*4887Schin extern Env_t	*env_open(char**,int);
44*4887Schin extern Env_t	*env_scope(Env_t*,int);
45*4887Schin 
46*4887Schin #undef extern
47*4887Schin 
48*4887Schin #endif
49*4887Schin 
50*4887Schin 
51