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/* example-tounicode.c --- Example ToUnicode() code showing how to use Libidn2.
*
* This code is placed under public domain.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <idn2.h> /* idn2_to_unicode_8z8z() */
/*
* Compiling using pkg-config is recommended:
*
* $ cc -o example-to-unicode example-to-unicode.c $(pkg-config --cflags --libs libidn2)
* $ ./example-tounicode
* Input domain (ACE) encoded as `UTF-8': xn--nxasmm1c.com
*
* Read string (length 16): 78 6e 2d 2d 6e 78 61 73 6d 6d 31 63 2e 63 6f 6d
* ACE label (length 14): 'βόλος.com'
*
*/
int
main (void)
{
char buf[BUFSIZ];
char *p;
int rc;
size_t i;
if (!fgets (buf, BUFSIZ, stdin))
perror ("fgets");
buf[strlen (buf) - 1] = '\0';
printf ("Read string (length %ld): ", (long int) strlen (buf));
for (i = 0; i < strlen (buf); i++)
printf ("%02x ", (unsigned) buf[i] & 0xFF);
printf ("\n");
rc = idn2_to_unicode_8z8z (buf, &p, 0);
if (rc != IDNA_SUCCESS)
{
printf ("ToUnicode() failed (%d): %s\n", rc, idn2_strerror (rc));
return EXIT_FAILURE;
}
printf ("ACE label (length %ld): '%s'\n", (long int) strlen (p), p);
free (p); /* or idn2_free() */
return 0;
}
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