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[/] [or1k/] [trunk/] [gdb-5.3/] [gdb/] [environ.h] - Rev 1775
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/* Header for environment manipulation library. Copyright 1989, 1992, 2000 Free Software Foundation, Inc. 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 2 of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #if !defined (ENVIRON_H) #define ENVIRON_H 1 /* 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; }; extern struct environ *make_environ (void); extern void free_environ (struct environ *); extern void init_environ (struct environ *); extern char *get_in_environ (const struct environ *, const char *); extern void set_in_environ (struct environ *, const char *, const char *); extern void unset_in_environ (struct environ *, char *); extern char **environ_vector (struct environ *); #endif /* defined (ENVIRON_H) */
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