docs: function tinf_build_fixed_trees(lt, dt) {
    var i;
  
    /* build fixed length tree */
    for (i = 0; i < 7; ++i) lt.table[i] = 0;
  
    lt.table[7] = 24;
    lt.table[8] = 152;
    lt.table[9] = 112;
  
    for (i = 0; i < 24; ++i) lt.trans[i] = 256 + i;
    for (i = 0; i < 144; ++i) lt.trans[24 + i] = i;
    for (i = 0; i < 8; ++i) lt.trans[24 + 144 + i] = 280 + i;
    for (i = 0; i < 112; ++i) lt.trans[24 + 144 + 8 + i] = 144 + i;
  
    /* build fixed distance tree */
    for (i = 0; i < 5; ++i) dt.table[i] = 0;
  
    dt.table[5] = 32;
  
    for (i = 0; i < 32; ++i) dt.trans[i] = i;
  }