text: #if !defined(_win_serial_h_)
  #define _win_serial_h_
  #pragma once
  
  /*
   * Copyright 1997 by Abacus Research and Development, Inc.
   * All rights reserved.
   */
  
  #include <ExMacTypes.h>
  #include <Serial.h>
  
  namespace Executor
  {
  /*
   * This should really be divided into public and private .h files
   */
  
  enum parity_t : uint32_t
  {
      parity_none,
      parity_odd,
      parity_even
  };
  
  typedef enum {
      win32_serial_parity_no,
      win32_serial_parity_odd,
      win32_serial_parity_even,
      win32_serial_parity_mark,
      win32_serial_parity_space,
  } win32_serial_parity_t;
  
  typedef enum {
      win32_serial_stop_bits_1,
      win32_serial_stop_bits_1_and_a_half,
      win32_serial_stop_bits_2,
  } win32_serial_stop_bits_t;
  
  extern uint32_t serial_bios_read(LONGINT fd, void *buf, size_t count);
  
  extern uint32_t serial_bios_write(LONGINT fd, void *buf, size_t count);
  
  extern int32_t serial_bios_serset(LONGINT fd, INTEGER param);
  
  extern int32_t serial_bios_serxhshake(LONGINT fd, SerShk *sershkp);
  
  extern int32_t serial_bios_setbaud(LONGINT fd, INTEGER baud);
  
  extern int32_t serial_bios_ctlbrk(LONGINT fd, INTEGER flag);
  
  extern int32_t serial_bios_setflow(LONGINT fd, LONGINT flag);
  
  extern int32_t serial_bios_setdtr(LONGINT fd);
  
  extern int32_t serial_bios_clrdtr(LONGINT fd);
  
  extern int serial_bios_fionread(LONGINT fd, LONGINT *np);
  
  extern int set_modem_port_mapping_to_pc_port(int pc_port);
  
  extern int set_printer_port_mapping_to_pc_port(int pc_port);
  }
  
  #endif /* !defined (_win_serial_h_) */
  