char *out_buf = convbuf;
size_t in_cnt = len, out_cnt = sizeof convbuf - 1;
iconv(ic_chck, NULL, 0, NULL, 0);
while (iconv(ic_chck, &in_buf,&in_cnt,
char *out_buf = convbuf;
size_t in_cnt = len, out_cnt = sizeof convbuf - 1;
iconv(ic_chck, NULL, 0, NULL, 0);
while (iconv(ic_chck, &in_buf,&in_cnt,