/* init-path.h: Declarations for path initialization.

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_INIT_PATH_H
#define KPATHSEA_INIT_PATH_H

#include <kpathsea/c-vararg.h>
#include <kpathsea/types.h>


/* If non-null, used instead of the usual envvar/defaults, e.g.,
   you might set this to `getenv ("XDVIFONTS")'.  */
extern string kpse_override_path;

/* The first two arguments, CURRENT and DEFAULT_PATH, are fixed.  Any
   number of additional arguments, terminated with NULL, must all be
   strings, and name environment variables.
   
   Expand `kpse_override_path', the value of the first set environment
   variable, or CURRENT with `kpse_expand_default' (with DEFAULT_PATH),
   and return the result.  */
extern string kpse_init_path PVAR2H(const_string current,
                                    const_string default_path);

#endif /* not KPATHSEA_INIT_PATH_H */