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#include <iconv.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* This is an example of using the iconv library.
* There is a command line interface to libiconv, simply called
* "iconv". You can run it with the -l option to list the supported
* charsets. Or use it to convert like "iconv -f UTF8 -t UTF32 < txt"
*/
int main() {
char *orig = "¢ hello cent ¢ euro € beijing 北京", *utf8=orig;
size_t orig_len = strlen(orig);
char utf32[100], *u32 = utf32;;
size_t utf32_len = sizeof(utf32);
iconv_t ic = iconv_open("UTF-32LE", "UTF8"); /* TO, FROM */
if (ic == (iconv_t)-1) {
fprintf(stderr,"iconv_open failed: %s\n", strerror(errno));
exit(-1);
}
if (iconv(ic, &utf8, &orig_len, &u32, &utf32_len) == (size_t)-1) {
fprintf(stderr,"iconv failed: %s\n", strerror(errno));
exit(-1);
}
/* now there are (sizeof(utf32)-utf32_len) bytes of utf32 */
write(2, utf32, (sizeof(utf32)-utf32_len));
iconv_close(ic);
}
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