rc = command (&registers, &thread_context),                                    /* O(1) */
{
  command = cmd_table[operation_code],                                         /* O(1) */
  { 
    cmd_table = (cmdproc[]) pointer,
    {
      pointer = fptr_locate (access_key)                                       /* O(1) */
    }
  }
};

cmdproc = ((p_regs -&w, p_vars -&w) byte);