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authorJohn Gilmore <gnu@cygnus>1990-09-05 17:54:31 +0000
committerJohn Gilmore <gnu@cygnus>1990-09-05 17:54:31 +0000
commit831c851165e112139af1265f294e198401814c1f (patch)
tree5f155fecb9b690be9c428e822d519c2710fefd47 /gdb/environ.h
parent7a67dd45ca1c191a0220697a3ec9fa92993caf8c (diff)
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-/* Header for environment manipulation library.
- Copyright (C) 1989, Free Software Foundation.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* We manipulate environments represented as these structures. */
-
-struct environ
-{
- /* Number of usable slots allocated in VECTOR.
- VECTOR always has one slot not counted here,
- to hold the terminating zero. */
- int allocated;
- /* A vector of slots, ALLOCATED + 1 of them.
- The first few slots contain strings "VAR=VALUE"
- and the next one contains zero.
- Then come some unused slots. */
- char **vector;
-};
-
-struct environ *make_environ ();
-void free_environ ();
-void init_environ ();
-char *get_in_environ ();
-void set_in_environ ();
-void unset_in_environ ();
-char **environ_vector ();