MAX_BL_BITS
{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS};
{NULL, extra_blbits, 0, BL_CODES, MAX_BL_BITS};
{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS};
{(const ct_data *)0, extra_blbits, 0, BL_CODES, MAX_BL_BITS};