read_huffsym
return read_huffsym(is, d->precode_decode_table,
return read_huffsym(is, d->maincode_decode_table,
return read_huffsym(is, d->lencode_decode_table,
return read_huffsym(is, d->alignedcode_decode_table,
sym = read_huffsym(&is, d->decode_table,