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variable.h
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C/C++ Source or Header
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1996-09-28
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37 lines
/* variable.h: Declare variable expander.
Copyright (C) 1993 Karl Berry.
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, 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. */
#ifndef KPATHSEA_VARIABLE_H
#define KPATHSEA_VARIABLE_H
#include <kpathsea/c-proto.h>
#include <kpathsea/types.h>
/* Expand $VAR and ${VAR} references in SRC, returning the (always
dynamically-allocated) result. An unterminated ${ or any other
character following $ produce error messages, and that part of SRC is
ignored. In the $VAR form, the variable name consists of consecutive
letters, digits, and underscores. In the ${VAR} form, the variable
name consists of whatever is between the braces. In any case,
``expansion'' just means calling `getenv'; if the variable is not
set, the expansion is the empty string. */
extern string kpse_var_expand P1H(const_string src);
#endif /* not KPATHSEA_VARIABLE_H */