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#include <utf9.h>
#define STRING "𐍈𐍈𐍈𐍈"
int main()
{
/* not strictly portable, assumes locale is utf8, etc. */
const char *s = STRING;
tri_t t[20];
size_t c = 0;
/* note 20 * 3, as t is in tri words but each word is three 'chars' */
/* unsure if this is more or less confusing than using the word sizes
* directly */
size_t l = utf8_to_utf9(t, 20 * 3, s, sizeof(STRING), &c);
printf("utf8->utf9: %llu characters to %llu\n", c, l);
char r[20];
/* hmm, currently it's kind of difficult to tell if we just ran out of
* buffer space or failed due to some other issue. */
l = utf9_to_utf8(r, 20, t, l, &c);
printf("utf9->utf8: %llu characters to %llu\n", c, l);
printf("original : %s\n", s);
printf("converted : %s\n", r);
}
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