* Copyright (c) 1988 The Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* @(#)termios.h 7.3 (Berkeley) %G%
* Special Control Characters
* Index into c_cc[] character array.
* Name Subscript Enabled by
#define VEOF 0 /* ICANON */
#define VEOL 1 /* ICANON */
#define VEOL2 2 /* ICANON */
#define VERASE 3 /* ICANON */
#define VERASE2 18 /* ICANON */
#define VWERASE 4 /* ICANON */
#define VKILL 5 /* ICANON */
#define VREPRINT 6 /* ICANON */
#define VQUOTE 7 /* ICANON */
#define VINTR 8 /* ISIG */
#define VQUIT 9 /* ISIG */
#define VSUSP 10 /* ISIG */
#define VDSUSP 11 /* ISIG */
#define VSTART 12 /* IXON, IXOFF */
#define VSTOP 13 /* IXON, IXOFF */
#define VLNEXT 14 /* IEXTEN */
#define VFLUSHO 15 /* IEXTEN */
#define VFLUSH VFLUSHO /* for sun */
#define VMIN 16 /* !ICANON */
#define VTIME 17 /* !ICANON */
#define NCC 20 /* two spares */
#define _POSIX_VDISABLE ((unsigned char)'\377')
* 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 /* disable 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 IFLOW IXON /* "" */
#define IXOFF 0x00000400 /* enable input flow control */
#define ITANDEM IXOFF /* "" */
#define IXANY 0x00000800 /* any char will restart after stop */
#define IEXTEN 0x00001000 /* enable FLUSHO and LNEXT */
#define IMAXBEL 0x00002000 /* ring bell on input queue full */
* Output flags - software output processing
#define OPOST 0x00000001 /* enable following output processing */
#define ONLCR 0x00000002 /* map NL to CR-NL (ala CRMOD) */
#define OXTABS 0x00000004 /* expand tabs to spaces */
#define ONOEOT 0x00000008 /* discard EOT's (^D) on output) */
* Control flags - hardware control of terminal
#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 */
#define CRTSCTS 0x00010000 /* RTS/CTS flow control */
* "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. Isn't history fun.
#define ECHOKE 0x00000001 /* visual erase for line kill */
#define ECHOE 0x00000002 /* visually erase chars */
#define ECHOK 0x00000004 /* echo NL after line kill */
#define ECHONL 0x00000010 /* echo NL even if ECHO is off */
#define ECHOPRT 0x00000020 /* visual erase mode for hardcopy */
#define ECHOCTL 0x00000040 /* echo control chars as ^(Char) */
#define ISIG 0x00000080 /* enable signals INTR, QUIT, [D]SUSP */
#define ICANON 0x00000100 /* canonicalize input lines */
#define ALTWERASE 0x00000200 /* use alternate WERASE algorithm */
#ifdef notdef /* XXX already defined in ioctl.h */
#define ECHO 0x00000008 /* enable echoing */
#define MDMBUF 0x00100000 /* flow control output via Carrier */
#define TOSTOP 0x00400000 /* stop background jobs from output */
#define FLUSHO 0x00800000 /* output being flushed (state) */
#define NOHANG 0x01000000 /* XXX this should go away */
#define PENDIN 0x20000000 /* retype pending input (state) */
#define NOFLSH 0x80000000 /* don't flush after interrupt */
unsigned long c_iflag
; /* input flags */
unsigned long c_oflag
; /* output flags */
unsigned long c_cflag
; /* control flags */
unsigned long c_lflag
; /* local flags */
unsigned char c_cc
[NCC
]; /* control chars */
long c_ispeed
; /* input speed */
long 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 TCSADFLUSH 2 /* drain output, flush input */
* TCSASOFT is a flag which can be or'ed in with a command.
* If set, only the software processing flags in the termios
* structure are altered. That is, the settings of the cflag and
#define TCSASOFT 0x80000000 /* but ignore hardware settings */
* Is c equal to control character val?
#define CCEQ(val, c) (c == val ? val != _POSIX_VDISABLE : 0)
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