module huff_and_env(clk);
  input clk;
  output[7:0]  plain;
  input nd_val;
  input [4:0] nd_addr;

  huffmann   huff(clk,val,addr,ack,plain);
  environment env(clk,val,nd_addr,nd_val,addr,ack);

endmodule
`include huff_with_env.v
`include any_text_env.v