RECORD_LEN_HI
reclen = (rec[RECORD_LEN_HI] << 8) | rec[RECORD_LEN_LO];
len = ((rec[RECORD_LEN_HI] << 8) | rec[RECORD_LEN_LO])
len = ((rec[RECORD_LEN_HI] << 8) | rec[RECORD_LEN_LO])
size_t len = ((inu[RECORD_LEN_HI] << 8) | inu[RECORD_LEN_LO])