/* Determine a canonical name for the current locale's character encoding.
   Copyright (C) 2000-2003, 2009-2017 Free Software Foundation, Inc.
   This file is part of the GNU CHARSET Library.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU Lesser 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 Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License along
   with this program; if not, see <http://www.gnu.org/licenses/>.  */

#ifndef _LOCALCHARSET_H
#define _LOCALCHARSET_H


#ifdef __cplusplus
extern "C" {
#endif


/* Determine the current locale's character encoding, and canonicalize it
   into one of the canonical names listed in config.charset.
   The result must not be freed; it is statically allocated.
   If the canonical name cannot be determined, the result is a non-canonical
   name.  */
extern const char * locale_charset (void);

/* Same as above, but only look at environment variables, avoiding calls to
   `setlocale', `nl_langinfo', etc.  See
   <http://lists.gnu.org/archive/html/guile-devel/2011-11/msg00040.html> for
   the rationale.  */
extern const char * environ_locale_charset (void);


#ifdef __cplusplus
}
#endif


#endif /* _LOCALCHARSET_H */
