if(lzma_stream_decoder(cfh->xzs, UINT64_MAX, LZMA_TELL_UNSUPPORTED_CHECK)!=LZMA_OK) {
return IO_ERROR;
}
cfh->xzs->avail_in = cfh->xzs->avail_out = 0;
cfh->raw.pos = cfh->raw.offset = cfh->raw.end = cfh->data.pos =
cfh->data.offset = cfh->data.end = 0;
if(ensure_lseek_position(cfh)) {