build_bl_tree
local int build_bl_tree (deflate_state *s);
max_blindex = build_bl_tree(s);
local int build_bl_tree OF((deflate_state *s));
max_blindex = build_bl_tree(s);
local int build_bl_tree (deflate_state *s);
max_blindex = build_bl_tree(s);
local int build_bl_tree (deflate_state *s);
max_blindex = build_bl_tree(s);