#include <stdio.h>
#include <iconv.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>

#define UCS_STR "\x4e\x8c" /* EUC-TW 0xa2a2, EUC-JP 0x */

static char *to_code;

void xiconv(iconv_t cd, int out_size)
{
  unsigned char euc[4];
  char *inp = UCS_STR;
  char *outp = euc;
  size_t inbytesleft = strlen(UCS_STR);
  size_t outbytesleft = out_size;
  size_t ret;

  errno=0;
  ret = iconv(cd,
              &inp,&inbytesleft,
              &outp,&outbytesleft);
  if(errno || ret == (size_t)-1)
  {
    int err = errno;
    errno = E2BIG;
    perror("expect");
    errno = err;
    perror("result");
  }
  else
    printf("%s: 0x%02x%02x\n",to_code,euc[0],euc[1]);
}

iconv_t xiconv_open(char *code)
{
  iconv_t cd;
  to_code = code;
  errno = 0;
  if(errno || (cd = iconv_open(to_code,"UCS-2BE")) == (iconv_t)-1)
  {
    perror("Can't oepn converter");
    exit(1);
  }
  return cd;
}
int main(void)
{
  iconv_t cd;

  cd = xiconv_open("EUC-TW");
  xiconv(cd,4);puts("---");
  xiconv(cd,1);puts("---");
  iconv_close(cd);
  
  cd = xiconv_open("EUC-JP");
  xiconv(cd,4);puts("---");
  xiconv(cd,1);puts("---");
  iconv_close(cd);
  return 0;
}