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[/] [or1k/] [trunk/] [insight/] [gdb/] [environ.h] - Blame information for rev 1768

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1 578 markom
/* Header for environment manipulation library.
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   Copyright 1989, 1992, 2000 Free Software Foundation, Inc.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 2 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.  */
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#if !defined (ENVIRON_H)
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#define ENVIRON_H 1
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/* We manipulate environments represented as these structures.  */
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struct environ
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  {
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    /* Number of usable slots allocated in VECTOR.
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       VECTOR always has one slot not counted here,
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       to hold the terminating zero.  */
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    int allocated;
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    /* A vector of slots, ALLOCATED + 1 of them.
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       The first few slots contain strings "VAR=VALUE"
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       and the next one contains zero.
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       Then come some unused slots.  */
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    char **vector;
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  };
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extern struct environ *make_environ (void);
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extern void free_environ (struct environ *);
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extern void init_environ (struct environ *);
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extern char *get_in_environ (const struct environ *, const char *);
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extern void set_in_environ (struct environ *, const char *, const char *);
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extern void unset_in_environ (struct environ *, char *);
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extern char **environ_vector (struct environ *);
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#endif /* defined (ENVIRON_H) */

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