text: /*	$NetBSD: termios.h,v 1.21 1998/03/31 10:05:59 kleink Exp $	*/
  
  /*
   * Copyright (c) 1988, 1989, 1993, 1994
   *	The Regents of the University of California.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	@(#)termios.h	8.3 (Berkeley) 3/28/94
   */
  
  #ifndef _SYS_TERMIOS_H_
  #define _SYS_TERMIOS_H_
  
  #include <sys/featuretest.h>
  
  /*
   * Special Control Characters
   *
   * Index into c_cc[] character array.
   *
   *	Name	     Subscript	Enabled by
   */
  #define	VEOF		0	/* ICANON */
  #define	VEOL		1	/* ICANON */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define	VEOL2		2	/* ICANON */
  #endif
  #define	VERASE		3	/* ICANON */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define VWERASE 	4	/* ICANON */
  #endif
  #define VKILL		5	/* ICANON */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define	VREPRINT 	6	/* ICANON */
  #endif
  /*			7	   spare 1 */
  #define VINTR		8	/* ISIG */
  #define VQUIT		9	/* ISIG */
  #define VSUSP		10	/* ISIG */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define VDSUSP		11	/* ISIG */
  #endif
  #define VSTART		12	/* IXON, IXOFF */
  #define VSTOP		13	/* IXON, IXOFF */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define	VLNEXT		14	/* IEXTEN */
  #define	VDISCARD	15	/* IEXTEN */
  #endif
  #define VMIN		16	/* !ICANON */
  #define VTIME		17	/* !ICANON */
  #ifndef _POSIX_C_SOURCE
  #define VSTATUS		18	/* ICANON */
  /*			19	   spare 2 */
  #endif
  #define	NCCS		20
  
  #define _POSIX_VDISABLE	((unsigned char)'\377')
  
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define CCEQ(val, c)	(c == val ? val != _POSIX_VDISABLE : 0)
  #endif
  
  /*
   * Input flags - software input processing
   */
  #define	IGNBRK		0x00000001	/* ignore BREAK condition */
  #define	BRKINT		0x00000002	/* map BREAK to SIGINTR */
  #define	IGNPAR		0x00000004	/* ignore (discard) parity errors */
  #define	PARMRK		0x00000008	/* mark parity and framing errors */
  #define	INPCK		0x00000010	/* enable checking of parity errors */
  #define	ISTRIP		0x00000020	/* strip 8th bit off chars */
  #define	INLCR		0x00000040	/* map NL into CR */
  #define	IGNCR		0x00000080	/* ignore CR */
  #define	ICRNL		0x00000100	/* map CR to NL (ala CRMOD) */
  #define	IXON		0x00000200	/* enable output flow control */
  #define	IXOFF		0x00000400	/* enable input flow control */
  #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
  #define	IXANY		0x00000800	/* any char will restart after stop */
  #endif
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define IMAXBEL		0x00002000	/* ring bell on input queue full */
  #endif
  
  /*
   * Output flags - software output processing
   */
  #define	OPOST		0x00000001	/* enable following output processing */
  #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
  #define ONLCR		0x00000002	/* map NL to CR-NL (ala CRMOD) */
  #endif
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define OXTABS		0x00000004	/* expand tabs to spaces */
  #endif
  #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
  #define ONOEOT		0x00000008	/* discard EOT's (^D) on output */
  #define OCRNL		0x00000010	/* map CR to NL */
  #define ONOCR		0x00000020	/* discard CR's when on column 0 */
  #define ONLRET		0x00000040	/* move to column 0 on CR */
  #endif  /* !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */
  
  /*
   * Control flags - hardware control of terminal
   */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define	CIGNORE		0x00000001	/* ignore control flags */
  #endif
  #define CSIZE		0x00000300	/* character size mask */
  #define     CS5		    0x00000000	    /* 5 bits (pseudo) */
  #define     CS6		    0x00000100	    /* 6 bits */
  #define     CS7		    0x00000200	    /* 7 bits */
  #define     CS8		    0x00000300	    /* 8 bits */
  #define CSTOPB		0x00000400	/* send 2 stop bits */
  #define CREAD		0x00000800	/* enable receiver */
  #define PARENB		0x00001000	/* parity enable */
  #define PARODD		0x00002000	/* odd parity, else even */
  #define HUPCL		0x00004000	/* hang up on last close */
  #define CLOCAL		0x00008000	/* ignore modem status lines */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define	CRTSCTS		0x00010000	/* RTS/CTS full-duplex flow control */
  #define	CRTS_IFLOW	CRTSCTS		/* XXX compat */
  #define	CCTS_OFLOW	CRTSCTS		/* XXX compat */
  #define	CDTRCTS		0x00020000	/* DTR/CTS full-duplex flow control */
  #define	MDMBUF		0x00100000	/* DTR/DCD hardware flow control */
  #define	CHWFLOW		(MDMBUF|CRTSCTS|CDTRCTS) /* all types of hw flow control */
  #endif
  
  
  /*
   * "Local" flags - dumping ground for other state
   *
   * Warning: some flags in this structure begin with
   * the letter "I" and look like they belong in the
   * input flag.
   */
  
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define	ECHOKE		0x00000001	/* visual erase for line kill */
  #endif
  #define	ECHOE		0x00000002	/* visually erase chars */
  #define	ECHOK		0x00000004	/* echo NL after line kill */
  #define ECHO		0x00000008	/* enable echoing */
  #define	ECHONL		0x00000010	/* echo NL even if ECHO is off */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define	ECHOPRT		0x00000020	/* visual erase mode for hardcopy */
  #define ECHOCTL  	0x00000040	/* echo control chars as ^(Char) */
  #endif  /* !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) */
  #define	ISIG		0x00000080	/* enable signals INTR, QUIT, [D]SUSP */
  #define	ICANON		0x00000100	/* canonicalize input lines */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define ALTWERASE	0x00000200	/* use alternate WERASE algorithm */
  #endif  /* !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) */
  #define	IEXTEN		0x00000400	/* enable DISCARD and LNEXT */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define EXTPROC         0x00000800      /* external processing */
  #endif  /* !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) */
  #define TOSTOP		0x00400000	/* stop background jobs from output */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define FLUSHO		0x00800000	/* output being flushed (state) */
  #define	NOKERNINFO	0x02000000	/* no kernel output from VSTATUS */
  #define PENDIN		0x20000000	/* XXX retype pending input (state) */
  #endif  /* !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) */
  #define	NOFLSH		0x80000000	/* don't flush after interrupt */
  
  typedef unsigned int	tcflag_t;
  typedef unsigned char	cc_t;
  typedef unsigned int	speed_t;
  
  struct termios {
  	tcflag_t	c_iflag;	/* input flags */
  	tcflag_t	c_oflag;	/* output flags */
  	tcflag_t	c_cflag;	/* control flags */
  	tcflag_t	c_lflag;	/* local flags */
  	cc_t		c_cc[NCCS];	/* control chars */
  	int		c_ispeed;	/* input speed */
  	int		c_ospeed;	/* output speed */
  };
  
  /*
   * Commands passed to tcsetattr() for setting the termios structure.
   */
  #define	TCSANOW		0		/* make change immediate */
  #define	TCSADRAIN	1		/* drain output, then change */
  #define	TCSAFLUSH	2		/* drain output, flush input */
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define TCSASOFT	0x10		/* flag - don't alter h.w. state */
  #endif
  
  /*
   * Standard speeds
   */
  #define B0	0
  #define B50	50
  #define B75	75
  #define B110	110
  #define B134	134
  #define B150	150
  #define B200	200
  #define B300	300
  #define B600	600
  #define B1200	1200
  #define	B1800	1800
  #define B2400	2400
  #define B4800	4800
  #define B9600	9600
  #define B19200	19200
  #define B38400	38400
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  #define B7200	7200
  #define B14400	14400
  #define B28800	28800
  #define B57600	57600
  #define B76800	76800
  #define B115200	115200
  #define B230400	230400
  #define EXTA	19200
  #define EXTB	38400
  #endif  /* !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) */
  
  #ifndef _KERNEL
  
  #define	TCIFLUSH	1
  #define	TCOFLUSH	2
  #define TCIOFLUSH	3
  #define	TCOOFF		1
  #define	TCOON		2
  #define TCIOFF		3
  #define TCION		4
  
  #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
  #include <sys/types.h>		/* XXX for pid_t */
  #endif
  #include <sys/cdefs.h>
  
  __BEGIN_DECLS
  speed_t	cfgetispeed __P((const struct termios *));
  speed_t	cfgetospeed __P((const struct termios *));
  int	cfsetispeed __P((struct termios *, speed_t));
  int	cfsetospeed __P((struct termios *, speed_t));
  int	tcgetattr __P((int, struct termios *));
  int	tcsetattr __P((int, int, const struct termios *));
  int	tcdrain __P((int));
  int	tcflow __P((int, int));
  int	tcflush __P((int, int));
  int	tcsendbreak __P((int, int));
  #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
  pid_t	tcgetsid __P((int));
  #endif /* !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */
  
  
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  void	cfmakeraw __P((struct termios *));
  int	cfsetspeed __P((struct termios *, speed_t));
  #endif /* !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) */
  __END_DECLS
  
  #endif /* !_KERNEL */
  
  #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
  
  /*
   * Include tty ioctl's that aren't just for backwards compatibility
   * with the old tty driver.  These ioctl definitions were previously
   * in <sys/ioctl.h>.
   */
  #include <sys/ttycom.h>
  #endif
  
  /*
   * END OF PROTECTED INCLUDE.
   */
  #endif /* !_SYS_TERMIOS_H_ */
  
  #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)
  #include <sys/ttydefaults.h>
  #endif
  