1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1982-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 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 39 extern void env_close(Env_t*); 40 extern int env_add(Env_t*, const char*, int); 41 extern int env_delete(Env_t*, const char*); 42 extern char **env_get(Env_t*); 43 extern Env_t *env_open(char**,int); 44 extern Env_t *env_scope(Env_t*,int); 45 46 #undef extern 47 48 #endif 49 50 51