send_tree
send_tree(s, (ct_data *)s->dyn_ltree, lcodes - 1); /* literal tree */
send_tree(s, (ct_data *)s->dyn_dtree, dcodes - 1); /* distance tree */
local void send_tree(deflate_state *s, ct_data *tree, int max_code);
send_tree(s, (ct_data *)s->dyn_ltree, lcodes-1); /* literal tree */
send_tree(s, (ct_data *)s->dyn_dtree, dcodes-1); /* distance tree */