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/*
* Global stuff for translation tables.
*
* Tomten, tomten@solace.hsh.se / tomten@lysator.liu.se
*
* $Id: translat.h,v 1.4 2006-04-30 14:15:43 f Exp $
*/
#ifndef __translat_h_
# define __translat_h_
#include "defs.h"
#ifdef HAVE_ICONV_H
#include <iconv.h>
#endif
void enter_digraph _((u_int, char *));
char get_digraph _((u_int));
void digraph _((char *, char *, char *));
void save_digraphs _((FILE *));
#ifndef HAVE_ICONV_OPEN
typedef void *iconv_t;
#endif
typedef struct mb_data
{
unsigned input_bytes; /* How many bytes we ate */
unsigned output_bytes; /* How many bytes we produced */
unsigned num_columns; /* How many columns does this result take */
#ifdef HAVE_ICONV_OPEN
iconv_t conv_in;
iconv_t conv_out;
const char* enc;
#endif
} mb_data;
/* Returns true(1)/false(0) whether the given unival is printable */
char displayable_unival(unsigned unival, iconv_t conv_out);
/* Sequence the given unicode value to the given utf-8 buffer */
void utf8_sequence(unsigned unival, u_char* utfbuf);
/* Return the unicode value of the first character in the given utf-8 string */
unsigned calc_unival(const u_char *);
/* Guess the width of the given unicode value in columns */
unsigned calc_unival_width(unsigned unival);
/* Calculate the length of the unicode sequence beginning at given pos */
unsigned calc_unival_length(const u_char* );
void set_irc_encoding(char *);
void set_input_encoding(char *);
void set_display_encoding(char *);
void mbdata_init(struct mb_data* d, const char* enc);
void mbdata_done(struct mb_data* d);
void decode_mb(u_char *ptr, u_char *dest, mb_data *data);
# define DIG_TABLE_SIZE 256
extern char dig_table_lo[DIG_TABLE_SIZE];
extern char dig_table_hi[DIG_TABLE_SIZE];
extern char dig_table_di[DIG_TABLE_SIZE];
extern char digraph_hit;
extern u_char digraph_first;
#ifdef HAVE_ICONV_OPEN
extern char *irc_encoding;
extern char *display_encoding;
extern char *input_encoding;
#endif
#endif /* __translat_h_ */
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