tree_desc
build_tree(s, (tree_desc *)(&(s->l_desc)));
build_tree(s, (tree_desc *)(&(s->d_desc)));
local void gen_bitlen(deflate_state *s, tree_desc *desc) {
local void build_tree(deflate_state *s, tree_desc *desc) {
gen_bitlen(s, (tree_desc *)desc);
build_tree(s, (tree_desc *)(&(s->bl_desc)));
build_tree(s, (tree_desc *)(&(s->l_desc)));
build_tree(s, (tree_desc *)(&(s->d_desc)));
local void gen_bitlen(deflate_state *s, tree_desc *desc) {
local void build_tree(deflate_state *s, tree_desc *desc) {
gen_bitlen(s, (tree_desc *)desc);
build_tree(s, (tree_desc *)(&(s->bl_desc)));