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/* unistring.h
Copyright 2013 Taco Hoekwater <taco@luatex.org>
This file is part of LuaTeX.
LuaTeX 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.
LuaTeX 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 General Public License along
with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */
/* $Id: unistring.h 4599 2013-03-19 15:41:07Z taco $ */
#ifndef UNISTRING_H
# define UNISTRING_H
extern unsigned char *uni2str(unsigned);
extern unsigned str2uni(const unsigned char *);
extern int buffer_to_unichar(int k);
extern char *uni2string(char *utf8_text, unsigned ch);
extern unsigned u_length(register unsigned int *str);
extern void utf2uni_strcpy(unsigned int *ubuf, const char *utf8buf);
#define is_utf8_follow(A) (A >= 0x80 && A < 0xC0)
#define utf8_size(a) (a>0xFFFF ? 4 : (a>0x7FF ? 3 : (a>0x7F? 2 : 1)))
extern char *utf16be_str(long code);
#endif
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