35         let mut treepos = 0;  in decode_symbol()  localVariable
45 …let ct = self.tree2d[(treepos << 1) + (((inp[*bp >> 3]) >> (*bp & 7)) & 1u8) as usize]; /*the symb…  in decode_symbol()
50                 treepos = ct as usize - self.numcodes;  in decode_symbol()
52             if treepos >= self.numcodes {  in decode_symbol()
61         let mut treepos = 0;  in new_2d_tree()  localVariable
66                 if treepos > ‎0x7FFF_FFFF || treepos + 2 > tree.numcodes {  in new_2d_tree()
69                 if tree.tree2d[2 * treepos + bit as usize] == 32767 {  in new_2d_tree()
71                         tree.tree2d[2 * treepos + bit] = n as u32;  in new_2d_tree()
72                         treepos = 0;  in new_2d_tree()
75                         tree.tree2d[2 * treepos + bit] = (nodefilled + tree.numcodes) as u32;  in new_2d_tree()
76                         treepos = nodefilled;  in new_2d_tree()
79                     let pos = tree.tree2d[2 * treepos + bit] as usize;  in new_2d_tree()
83                     treepos = pos - tree.numcodes;  in new_2d_tree()