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- /*
- * (c) Copyright 1992 by Panagiotis Tsirigotis
- * All rights reserved. The file named COPYRIGHT specifies the terms
- * and conditions for redistribution.
- */
-
- #ifndef __ENV_H
- #define __ENV_H
-
- /*
- * $Id: env.h,v 1.2 1992/10/31 03:09:33 panos Exp $
- */
-
- struct __env
- {
- unsigned max_vars ;
- unsigned n_vars ;
- char **vars ;
- } ;
-
- typedef struct __env *env_h ;
-
- #define ENV_NULL ((env_h)0)
-
- /*
- * Return values
- */
- #define ENV_ERR (-1)
- #define ENV_OK 0
-
- /*
- * Error codes
- */
- #define ENV_ENOMEM 1
- #define ENV_EBADVAR 2
- #define ENV_EBADSTRING 3
-
-
- #ifdef __ARGS
- #undef __ARGS
- #endif
-
- #ifdef PROTOTYPES
- # define __ARGS( s ) s
- #else
- # define __ARGS( s ) ()
- #endif
-
- env_h env_create __ARGS( ( env_h ) ) ;
- void env_destroy __ARGS( ( env_h ) ) ;
- env_h env_make __ARGS( ( char **env_strings ) ) ;
- int env_addvar __ARGS( ( env_h, env_h from_env, char *var ) ) ;
- int env_addstr __ARGS( ( env_h, char *str ) ) ;
- int env_remvar __ARGS( ( env_h, char *var ) ) ;
- char *env_lookup __ARGS( ( env_h, char *var ) ) ;
-
- #define env_getvars( env ) (env)->vars
-
- extern int env_errno ;
-
- #endif /* __ENV_H */
-
-