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/* (-lgl
 * 	COHERENT Version 4.0
 * 	Copyright (c) 1982, 1992 by Mark Williams Company.
 * 	All rights reserved. May not be copied without permission.
 -lgl) */
#ifndef TERMIO_H
#define TERMIO_H

#if (defined _I386 || defined KERNEL)
#define USE_TERMIO
#endif

/*
 * WARNING:  termio.h command codes are incompatible with device drivers
 *   shipped with COHERENT 286;  sgtty.h command codes are used instead.  This
 *   header is for use principally with COHERENT 386.  If you are using custom
 *   drivers and line discipline with COHERENT 286 and need termio constants
 *   for these modules, then define USE_TERMIO before this file is included.
 */
#ifdef USE_TERMIO

/*
 *	Terminal Input/Output Parameters
 */

#define	NCC	8

struct	termio {
	unsigned short	c_iflag;	/* input modes */
	unsigned short	c_oflag;	/* output modes */
	unsigned short	c_cflag;	/* control modes */
	unsigned short	c_lflag;	/* local modes */
	         char	c_line;		/* line discipline */
	unsigned char	c_cc[NCC];	/* control chars */
};

/*
 * Basic Terminal Input Control: 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 errors */
#define	INPCK	0x0010		/* Enable input parity check */
#define	ISTRIP	0x0020		/* Strip character */
#define	INLCR	0x0040		/* Map NL to CR on input */
#define	IGNCR	0x0080		/* Ignore CR */
#define	ICRNL	0x0100		/* Map CR to NL on input */
#define	IUCLC	0x0200		/* Map upper-case to lower-case on input */
#define	IXON	0x0400		/* Enable start/stop output control */
#define	IXANY	0x0800		/* Enable any character to restart output */
#define	IXOFF	0x1000		/* Enable start/stop input control */

/*
 * Basic Terminal Output Control: c_oflag
 */
#define	OPOST	0x0001		/* Postprocess output */
#define	OLCUC	0x0002		/* Map lower case to upper on output */
#define	ONLCR	0x0004		/* Map NL to CR-NL on output */
#define	OCRNL	0x0008		/* Map CR to NL on output */
#define	ONOCR	0x0010		/* No CR output at column 0 */
#define	ONLRET	0x0020		/* NL performs CR function */
#define	OFILL	0x0040		/* Use fill characters for delay */
#define	OFDEL	0x0080		/* Fill is DEL, else NUL */
#define	NLDLY	0x0100		/* Select new-line delays: */
#define	NL0	0x0000
#define	NL1	0x0100
#define	CRDLY	0x0600		/* Select carriage-return delays: */
#define	CR0	0x0000
#define	CR1	0x0200
#define	CR2	0x0400
#define	CR3	0x0600
#define	TABDLY	0x1800		/* Select horizontal-tab delays: */
#define	TAB0	0x0000
#define	TAB1	0x0800
#define	TAB2	0x1000
#define	TAB3	0x1800		
#define	BSDLY	0x2000		/* Select backspace delays: */
#define	BS0	0x0000
#define	BS1	0x2000
#define	VTDLY	0x4000		/* Select vertical-tab delays: */
#define	VT0	0x0000
#define	VT1	0x4000
#define	FFDLY	0x8000		/* Select form-feed delays: */
#define	FF0	0x0000
#define	FF1	0x8000

/*
 * Terminal Hardware Control: c_cflag
 */
#define	CBAUD	0x000F		/* Baud rate: */
#define	B0	0		/* Hang up */
#define	B50	1		/* 50 baud */
#define	B75	2		/* 75 baud */
#define	B110	3		/* 110 baud */
#define	B134	4		/* 134.5 baud */
#define	B150	5		/* 150 baud */
#define	B200	6		/* 200 baud */
#define	B300	7		/* 300 baud */
#define	B600	8		/* 600 baud */
#define	B1200	9		/* 1200 baud */
#define	B1800	10		/* 1800 baud */
#define	B2400	11		/* 2400 baud */
#define	B4800	12		/* 4800 baud */
#define	B9600	13		/* 9600 baud */
#define	B19200	14		/* 19200 baud */
#define	B38400	15		/* 38400 baud */
#define	EXTA	14		/* External A */
#define	EXTB	15		/* External B */
#define	CSIZE	0x0030		/* Character size: */
#define	CS5	0x0000		/* 5 bits */
#define	CS6	0x0010		/* 6 bits */
#define	CS7	0x0020		/* 7 bits */
#define	CS8	0x0030		/* 8 bits */
#define	CSTOPB	0x0040		/* Send two stop bits, else one */
#define	CREAD	0x0080		/* Enable receiver */
#define	PARENB	0x0100		/* Parity enable */
#define	PARODD	0x0200		/* Odd parity, else even */
#define	HUPCL	0x0400		/* Hang up on last close */
#define	CLOCAL	0x0800		/* Local line, else dial-up */

/*
 * Terminal Functions - c_lflag
 */
#define	ISIG	0x0001		/* Enable signals */
#define	ICANON	0x0002		/* Canonical input (erase and kill) */
#define	XCASE	0x0004		/* Canonical upper/lower presentation */
#define	ECHO	0x0008		/* Enable echo */
#define	ECHOE	0x0010		/* Echo erase character as BS-SP-BS */
#define	ECHOK	0x0020		/* Echo NL after kill character */
#define	ECHONL	0x0040		/* Echo NL */
#define	NOFLSH	0x0080		/* Disable flush after interrupt or quit */

/*
 * Offsets into Control Characters
 */
#define	VINTR	0
#define	VQUIT	1
#define	VERASE	2
#define	VKILL	3
#define	VEOF	4
#define	VEOL	5
#define	VEOL2	6
#define	VMIN	4
#define	VTIME	5
#define	VSWTCH	6

/*
 * Character Constants
 */
#define CEOF	0x04		/* EOT (ctrl-D) */
#define CERASE	0x08		/* BS (backspace) */
#define CESC	0x1B		/* ESC (escape) */
#define CKILL	0x15		/* ACK (ctrl-U) */
#define CQUIT	0x1C		/* FS (ctrl-\) */
#define CSTART	0x11		/* DC1 (ctrl-Q) */
#define CSTOP	0x13		/* DC3 (ctrl-S) */
#define CSWTCH	0x1A		/* EOT (ctrl-Z) */

/*
 * Ioctl Commands - ioctl(fno, com, &termio)
 */

#define	TIOC	('T'<<8)
#define	TCGETA	(TIOC|1)	/* Get terminal parameters */
#define	TCSETA	(TIOC|2)	/* Set terminal parameters */
#define	TCSETAW	(TIOC|3)	/* Wait for drain, then set parameters */
#define	TCSETAF	(TIOC|4)	/* Wait for drain, flush input, set parms */

/*
 * Ioctl Commands - ioctl(fno, com, arg)
 */
#define	TCSBRK	(TIOC|5)	/* Send 0.25 second break */
#define	TCXONC	(TIOC|6)	/* Start/stop control
				   arg=0 -> suspend output
				   arg=1 -> restart suspended output
				 */
#define	TCFLSH	(TIOC|7)	/* arg=0 -> flush input queue
				   arg=1 -> flush output queue
				   arg=2 -> flush both input and output queues
				 */
#endif
#endif

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