text: /* termios type and macro definitions.  SunOS 4 version.
  Copyright (C) 1993, 1994 Free Software Foundation, Inc.
  This file is part of the GNU C Library.
  
  The GNU C Library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public License as
  published by the Free Software Foundation; either version 2 of the
  License, or (at your option) any later version.
  
  The GNU C Library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Library General Public License for more details.
  
  You should have received a copy of the GNU Library General Public
  License along with the GNU C Library; see the file COPYING.LIB.  If
  not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  Cambridge, MA 02139, USA.  */
  
  /* Type of terminal control flag masks.  */
  typedef unsigned long int tcflag_t;
  
  /* Type of control characters.  */
  typedef unsigned char cc_t;
  
  /* Type of baud rate specifiers.  */
  typedef unsigned int speed_t;
  
  /* Terminal control structure.  */
  struct termios
  {
    /* Input modes.  */
    tcflag_t c_iflag;
  #define	IGNBRK	0x0001		/* Ignore break condition.  */
  #define	BRKINT	0x0002		/* Signal interrupt on break.  */
  #define	IGNPAR	0x0004		/* Ignore characters with parity errors.  */
  #define	PARMRK	0x0008		/* Mark parity and framing errors.  */
  #define	INPCK	0x0010		/* Enable input parity check.  */
  #define	ISTRIP	0x0020		/* Strip 8th bit off characters.  */
  #define	INLCR	0x0040		/* Map NL to CR on input.  */
  #define	IGNCR	0x0080		/* Ignore CR.  */
  #define	ICRNL	0x0100		/* Map CR to NL on input.  */
  #ifdef __USE_BSD
  #define	IUCLC	0x0200		/* Map upper case to lower case on input.  */
  #endif
  #define	IXON	0x0400		/* Enable start/stop output control.  */
  #define	IXOFF	0x1000		/* Enable start/stop input control.  */
  #ifdef	__USE_BSD
  #define	IXANY	0x0800		/* Any character will restart after stop.  */
  #define	IMAXBEL	0x2000		/* Ring bell when input queue is full.  */
  #endif
  
    /* Output modes.  */
    tcflag_t c_oflag;
  #define	OPOST	0x0001		/* Perform output processing.  */
  #ifdef	__USE_BSD
  #define	OLCUC	0x00000002	/* Map lower case to upper case on output.  */
  #define	ONLCR	0x00000004	/* Map NL to CR-NL on output.  */
  #define	OCRNL	0x00000008
  #define	ONOCR	0x00000010
  #define	ONLRET	0x00000020
  #define	OFILL	0x00000040
  #define	OFDEL	0x00000080
  #define	NLDLY	0x00000100
  #define	NL0	0
  #define	NL1	0x00000100
  #define	CRDLY	0x00000600
  #define	CR0	0
  #define	CR1	0x00000200
  #define	CR2	0x00000400
  #define	CR3	0x00000600
  #define	TABDLY	0x00001800
  #define	TAB0	0
  #define	TAB1	0x00000800
  #define	TAB2	0x00001000
  #define	XTABS	0x00001800
  #define	TAB3	XTABS
  #define	BSDLY	0x00002000
  #define	BS0	0
  #define	BS1	0x00002000
  #define	VTDLY	0x00004000
  #define	VT0	0
  #define	VT1	0x00004000
  #define	FFDLY	0x00008000
  #define	FF0	0
  #define	FF1	0x00008000
  #define	PAGEOUT	0x00010000
  #define	WRAP	0x00020000
  #endif
  
    /* Control modes.  */
    tcflag_t c_cflag;
  #define	CSIZE	(CS5|CS6|CS7|CS8) /* Number of bits per byte (mask).  */
  #define	CS5	0		/* 5 bits per byte.  */
  #define	CS6	0x00000010	/* 6 bits per byte.  */
  #define	CS7	0x00000020	/* 7 bits per byte.  */
  #define	CS8	0x00000030	/* 8 bits per byte.  */
  #define	CSTOPB	0x00000040	/* Two stop bits instead of one.  */
  #define	CREAD	0x00000080	/* Enable receiver.  */
  #define	PARENB	0x00000100	/* Parity enable.  */
  #define	PARODD	0x00000200	/* Odd parity instead of even.  */
  #define	HUPCL	0x00000400	/* Hang up on last close.  */
  #define	CLOCAL	0x00000800	/* Ignore modem status lines.  */
  #ifdef	__USE_BSD
  #define	LOBLK	0x00001000
  #define	CRTSCTS	0x80000000
  #define	CIBAUD	0x000f0000	/* Mask for input speed from c_cflag.  */
  #define	CBAUD	0x0000000f	/* Mask for output speed from c_cflag.  */
  #define	IBSHIFT	16		/* Bits to shift for input speed.  */
  #endif
  
    /* Input and output baud rates.  These are encoded in c_cflag.  */
  #define B0      0
  #define B50     1
  #define B75     2
  #define B110    3
  #define B134    4
  #define B150    5
  #define B200    6
  #define B300    7
  #define B600    8
  #define B1200   9
  #define B1800   10
  #define B2400   11
  #define B4800   12
  #define B9600   13
  #define B19200  14
  #define B38400  15
  #ifdef __USE_BSD
  #define EXTA    14
  #define EXTB    15
  #endif
  
    /* Local modes.  */
    tcflag_t c_lflag;
  #ifdef	__USE_BSD
  #define	ECHOKE	0x00000800	/* Visual erase for KILL.  */
  #endif
  #define	ECHOE	0x00000010	/* Visual erase for ERASE.  */
  #define	ECHOK	0x00000020	/* Echo NL after KILL.  */
  #define	ECHO	0x00000008	/* Enable echo.  */
  #define	ECHONL	0x00000040	/* Echo NL even if ECHO is off.  */
  #ifdef	__USE_BSD
  #define	ECHOPRT	0x00000400	/* Hardcopy visual erase.  */
  #define	ECHOCTL	0x00000200	/* Echo control characters as ^X.  */
  #endif
  #define	ISIG	0x00000001	/* Enable signals.  */
  #define	ICANON	0x00000002	/* Do erase and kill processing.  */
  #define	IEXTEN	0x00008000	/* Enable DISCARD and LNEXT.  */
  #define	TOSTOP	0x00000100	/* Send SIGTTOU for background output.  */
  #ifdef	__USE_BSD
  #define	PENDIN	0x00004000	/* Retype pending input (state).  */
  #endif
  #define	NOFLSH	0x00000080	/* Disable flush after interrupt.  */
  
    char c_line;			/* Line discipline (?) */
  
    /* Control characters.  */
  #define	VEOF	4		/* End-of-file character [ICANON].  */
  #define	VEOL	5		/* End-of-line character [ICANON].  */
  #ifdef	__USE_BSD
  #define	VEOL2	6		/* Second EOL character [ICANON].  */
  #define	VSWTCH	7		/* ??? */
  #endif
  #define	VERASE	2		/* Erase character [ICANON].  */
  #ifdef	__USE_BSD
  #define	VWERASE	14		/* Word-erase character [ICANON].  */
  #endif
  #define	VKILL	3		/* Kill-line character [ICANON].  */
  #ifdef	__USE_BSD
  #define	VREPRINT 12		/* Reprint-line character [ICANON].  */
  #endif
  #define	VINTR	0		/* Interrupt character [ISIG].  */
  #define	VQUIT	1		/* Quit character [ISIG].  */
  #define	VSUSP	10		/* Suspend character [ISIG].  */
  #ifdef	__USE_BSD
  #define	VDSUSP	11		/* Delayed suspend character [ISIG].  */
  #endif
  #define	VSTART	8		/* Start (X-ON) character [IXON, IXOFF].  */
  #define	VSTOP	9		/* Stop (X-OFF) character [IXON, IXOFF].  */
  #ifdef	__USE_BSD
  #define	VLNEXT	15		/* Literal-next character [IEXTEN].  */
  #define	VDISCARD 13		/* Discard character [IEXTEN].  */
  #endif
  #define	VMIN	VEOF		/* Minimum number of bytes read at once [!ICANON].  */
  #define	VTIME	VEOL		/* Time-out value (tenths of a second) [!ICANON].  */
  #define	NCCS	17
    cc_t c_cc[NCCS];
  };
  
  #define _IOT_termios /* Hurd ioctl type field.  */ \
    _IOT (_IOTS (cflag_t), 4, _IOTS (cc_t), NCCS, _IOTS (speed_t), 2)
  
  /* Values for the OPTIONAL_ACTIONS argument to `tcsetattr'.  */
  #define	TCSANOW		0	/* Change immediately.  */
  #define	TCSADRAIN	1	/* Change when pending output is written.  */
  #define	TCSAFLUSH	2	/* Flush pending input before changing.  */
  
  /* Values for the QUEUE_SELECTOR argument to `tcflush'.  */
  #define	TCIFLUSH	0	/* Discard data received but not yet read.  */
  #define	TCOFLUSH	1	/* Discard data written but not yet sent.  */
  #define	TCIOFLUSH	2	/* Discard all pending data.  */
  
  /* Values for the ACTION argument to `tcflow'.  */
  #define	TCOOFF	0		/* Suspend output.  */
  #define	TCOON	1		/* Restart suspended output.  */
  #define	TCIOFF	2		/* Send a STOP character.  */
  #define	TCION	3		/* Send a START character.  */
  