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51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/* Header for environment manipulation library.
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Copyright (C) 1989, 1992, 2000, 2005, 2007, 2008, 2009
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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 3 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, see <http://www.gnu.org/licenses/>. */
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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 gdb_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 gdb_environ *make_environ (void);
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extern void free_environ (struct gdb_environ *);
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extern void init_environ (struct gdb_environ *);
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extern char *get_in_environ (const struct gdb_environ *, const char *);
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extern void set_in_environ (struct gdb_environ *, const char *, const char *);
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extern void unset_in_environ (struct gdb_environ *, char *);
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extern char **environ_vector (struct gdb_environ *);
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#endif /* defined (ENVIRON_H) */
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