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termios.h
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/* termios type and macro definitions. 4.4 BSD/generic GNU version.
Copyright (C) 1993-2018 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef _TERMIOS_H
# error "Never include <bits/termios.h> directly; use <termios.h> instead."
#endif
/* These macros are also defined in some <bits/ioctls.h> files (with
numerically identical values), but this serves to shut up cpp's
complaining. */
#if defined __USE_MISC || defined __USE_XOPEN
# ifdef NL0
# undef NL0
# endif
# ifdef NL1
# undef NL1
# endif
# ifdef TAB0
# undef TAB0
# endif
# ifdef TAB1
# undef TAB1
# endif
# ifdef TAB2
# undef TAB2
# endif
# ifdef CR0
# undef CR0
# endif
# ifdef CR1
# undef CR1
# endif
# ifdef CR2
# undef CR2
# endif
# ifdef CR3
# undef CR3
# endif
# ifdef FF0
# undef FF0
# endif
# ifdef FF1
# undef FF1
# endif
# ifdef BS0
# undef BS0
# endif
# ifdef BS1
# undef BS1
# endif
#endif /* __USE_MISC || __USE_XOPEN */
#ifdef __USE_MISC
# ifdef MDMBUF
# undef MDMBUF
# endif
# ifdef FLUSHO
# undef FLUSHO
# endif
# ifdef PENDIN
# undef PENDIN
# endif
#endif /* __USE_MISC */
#ifdef ECHO
# undef ECHO
#endif
#ifdef TOSTOP
# undef TOSTOP
#endif
#ifdef NOFLSH
# undef NOFLSH
#endif
/* These definitions match those used by the 4.4 BSD kernel.
If the operating system has termios system calls or ioctls that
correctly implement the POSIX.1 behavior, there should be a
system-dependent version of this file that defines `struct termios',
`tcflag_t', `cc_t', `speed_t' and the `TC*' constants appropriately. */
/* 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 long int speed_t;
/* Terminal control structure. */
struct termios
{
/* Input modes. */
tcflag_t c_iflag;
#define IGNBRK (1 << 0) /* Ignore break condition. */
#define BRKINT (1 << 1) /* Signal interrupt on break. */
#define IGNPAR (1 << 2) /* Ignore characters with parity errors. */
#define PARMRK (1 << 3) /* Mark parity and framing errors. */
#define INPCK (1 << 4) /* Enable input parity check. */
#define ISTRIP (1 << 5) /* Strip 8th bit off characters. */
#define INLCR (1 << 6) /* Map NL to CR on input. */
#define IGNCR (1 << 7) /* Ignore CR. */
#define ICRNL (1 << 8) /* Map CR to NL on input. */
#define IXON (1 << 9) /* Enable start/stop output control. */
#define IXOFF (1 << 10) /* Enable start/stop input control. */
#if defined __USE_MISC || defined __USE_XOPEN || defined __USE_XOPEN2K8
# define IXANY (1 << 11) /* Any character will restart after stop. */
#endif
#ifdef __USE_MISC
# define IMAXBEL (1 << 13) /* Ring bell when input queue is full. */
#endif
#if defined __USE_GNU || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
# define IUCLC (1 << 14) /* Translate upper case input to lower case. */
#endif
/* Output modes. */
tcflag_t c_oflag;
#define OPOST (1 << 0) /* Perform output processing. */
#if defined __USE_MISC || defined __USE_XOPEN
# define ONLCR (1 << 1) /* Map NL to CR-NL on output. */
#endif
#ifdef __USE_MISC
# define OXTABS TAB3 /* Expand tabs to spaces. */
# define ONOEOT (1 << 3) /* Discard EOT (^D) on output. */
#endif
#if defined __USE_MISC || defined __USE_XOPEN
# define OCRNL (1 << 4) /* Map CR to NL. */
# define ONOCR (1 << 5) /* Discard CR's when on column 0. */
# define ONLRET (1 << 6) /* Move to column 0 on NL. */
#endif
#if defined __USE_MISC || defined __USE_XOPEN
# define NLDLY (3 << 8) /* NL delay. */
# define NL0 (0 << 8) /* NL type 0. */
# define NL1 (1 << 8) /* NL type 1. */
# define TABDLY (3 << 10 | 1 << 2) /* TAB delay. */
# define TAB0 (0 << 10) /* TAB delay type 0. */
# define TAB1 (1 << 10) /* TAB delay type 1. */
# define TAB2 (2 << 10) /* TAB delay type 2. */
# define TAB3 (1 << 2) /* Expand tabs to spaces. */
# define CRDLY (3 << 12) /* CR delay. */
# define CR0 (0 << 12) /* CR delay type 0. */
# define CR1 (1 << 12) /* CR delay type 1. */
# define CR2 (2 << 12) /* CR delay type 2. */
# define CR3 (3 << 12) /* CR delay type 3. */
# define FFDLY (1 << 14) /* FF delay. */
# define FF0 (0 << 14) /* FF delay type 0. */
# define FF1 (1 << 14) /* FF delay type 1. */
# define BSDLY (1 << 15) /* BS delay. */
# define BS0 (0 << 15) /* BS delay type 0. */
# define BS1 (1 << 15) /* BS delay type 1. */
# define VTDLY (1 << 16) /* VT delay. */
# define VT0 (0 << 16) /* VT delay type 0. */
# define VT1 (1 << 16) /* VT delay type 1. */
#endif /* __USE_MISC || __USE_XOPEN */
#if defined __USE_GNU || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
# define OLCUC (1 << 17) /* Translate lower case output to upper case */
#endif
#ifdef __USE_XOPEN
# define OFILL (1 << 18) /* Send fill characters for delays. */
# define OFDEL (1 << 19) /* Fill is DEL. */
#endif
/* Control modes. */
tcflag_t c_cflag;
#ifdef __USE_MISC
# define CIGNORE (1 << 0) /* Ignore these control flags. */
#endif
#define CSIZE (CS5|CS6|CS7|CS8) /* Number of bits per byte (mask). */
#define CS5 0 /* 5 bits per byte. */
#define CS6 (1 << 8) /* 6 bits per byte. */
#define CS7 (1 << 9) /* 7 bits per byte. */
#define CS8 (CS6|CS7) /* 8 bits per byte. */
#define CSTOPB (1 << 10) /* Two stop bits instead of one. */
#define CREAD (1 << 11) /* Enable receiver. */
#define PARENB (1 << 12) /* Parity enable. */
#define PARODD (1 << 13) /* Odd parity instead of even. */
#define HUPCL (1 << 14) /* Hang up on last close. */
#define CLOCAL (1 << 15) /* Ignore modem status lines. */
#ifdef __USE_MISC
# define CRTSCTS (1 << 16) /* RTS/CTS flow control. */
# define CRTS_IFLOW CRTSCTS /* Compatibility. */
# define CCTS_OFLOW CRTSCTS /* Compatibility. */
# define CDTRCTS (1 << 17) /* DTR/CTS flow control. */
# define MDMBUF (1 << 20) /* DTR/DCD flow control. */
# define CHWFLOW (MDMBUF|CRTSCTS|CDTRCTS) /* All types of flow control. */
#endif
/* Local modes. */
tcflag_t c_lflag;
#ifdef __USE_MISC
# define ECHOKE (1 << 0) /* Visual erase for KILL. */
#endif
#define _ECHOE (1 << 1) /* Visual erase for ERASE. */
#define ECHOE _ECHOE
#define _ECHOK (1 << 2) /* Echo NL after KILL. */
#define ECHOK _ECHOK
#define _ECHO (1 << 3) /* Enable echo. */
#define ECHO _ECHO
#define _ECHONL (1 << 4) /* Echo NL even if ECHO is off. */
#define ECHONL _ECHONL
#ifdef __USE_MISC
# define ECHOPRT (1 << 5) /* Hardcopy visual erase. */
# define ECHOCTL (1 << 6) /* Echo control characters as ^X. */
#endif
#define _ISIG (1 << 7) /* Enable signals. */
#define ISIG _ISIG
#define _ICANON (1 << 8) /* Do erase and kill processing. */
#define ICANON _ICANON
#ifdef __USE_MISC
# define ALTWERASE (1 << 9) /* Alternate WERASE algorithm. */
#endif
#define _IEXTEN (1 << 10) /* Enable DISCARD and LNEXT. */
#define IEXTEN _IEXTEN
#ifdef __USE_MISC
# define EXTPROC (1 << 11) /* External processing. */
#endif
#define _TOSTOP (1 << 22) /* Send SIGTTOU for background output. */
#define TOSTOP _TOSTOP
#ifdef __USE_MISC
# define FLUSHO (1 << 23) /* Output being flushed (state). */
#endif
#if defined __USE_XOPEN && !defined __USE_XOPEN2K
# define XCASE (1 << 24) /* Canonical upper/lower case. */
#endif
#ifdef __USE_MISC
# define NOKERNINFO (1 << 25) /* Disable VSTATUS. */
# define PENDIN (1 << 29) /* Retype pending input (state). */
#endif
#define _NOFLSH (1 << 31) /* Disable flush after interrupt. */
#define NOFLSH _NOFLSH
/* Control characters. */
#define VEOF 0 /* End-of-file character [ICANON]. */
#define VEOL 1 /* End-of-line character [ICANON]. */
#ifdef __USE_MISC
# define VEOL2 2 /* Second EOL character [ICANON]. */
#endif
#define VERASE 3 /* Erase character [ICANON]. */
#ifdef __USE_MISC
# define VWERASE 4 /* Word-erase character [ICANON]. */
#endif
#define VKILL 5 /* Kill-line character [ICANON]. */
#ifdef __USE_MISC
# define VREPRINT 6 /* Reprint-line character [ICANON]. */
#endif
#define VINTR 8 /* Interrupt character [ISIG]. */
#define VQUIT 9 /* Quit character [ISIG]. */
#define VSUSP 10 /* Suspend character [ISIG]. */
#ifdef __USE_MISC
# define VDSUSP 11 /* Delayed suspend character [ISIG]. */
#endif
#define VSTART 12 /* Start (X-ON) character [IXON, IXOFF]. */
#define VSTOP 13 /* Stop (X-OFF) character [IXON, IXOFF]. */
#ifdef __USE_MISC
# define VLNEXT 14 /* Literal-next character [IEXTEN]. */
# define VDISCARD 15 /* Discard character [IEXTEN]. */
#endif
#define VMIN 16 /* Minimum number of bytes read at once [!ICANON]. */
#define VTIME 17 /* Time-out value (tenths of a second) [!ICANON]. */
#ifdef __USE_MISC
# define VSTATUS 18 /* Status character [ICANON]. */
#endif
#define NCCS 20 /* Value duplicated in <hurd/tioctl.defs>. */
cc_t c_cc[NCCS];
/* Input and output baud rates. */
speed_t __ispeed, __ospeed;
#define B0 0 /* Hang up. */
#define B50 50 /* 50 baud. */
#define B75 75 /* 75 baud. */
#define B110 110 /* 110 baud. */
#define B134 134 /* 134.5 baud. */
#define B150 150 /* 150 baud. */
#define B200 200 /* 200 baud. */
#define B300 300 /* 300 baud. */
#define B600 600 /* 600 baud. */
#define B1200 1200 /* 1200 baud. */
#define B1800 1800 /* 1800 baud. */
#define B2400 2400 /* 2400 baud. */
#define B4800 4800 /* 4800 baud. */
#define B9600 9600 /* 9600 baud. */
#define B7200 7200 /* 7200 baud. */
#define B14400 14400 /* 14400 baud. */
#define B19200 19200 /* 19200 baud. */
#define B28800 28800 /* 28800 baud. */
#define B38400 38400 /* 38400 baud. */
#ifdef __USE_MISC
# define EXTA 19200
# define EXTB 38400
#endif
#define B57600 57600
#define B76800 76800
#define B115200 115200
#define B230400 230400
#define B460800 460800
#define B500000 500000
#define B576000 576000
#define B921600 921600
#define B1000000 1000000
#define B1152000 1152000
#define B1500000 1500000
#define B2000000 2000000
#define B2500000 2500000
#define B3000000 3000000
#define B3500000 3500000
#define B4000000 4000000
};
#define _IOT_termios /* Hurd ioctl type field. */ \
_IOT (_IOTS (tcflag_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. */
#ifdef __USE_MISC
# define TCSASOFT 0x10 /* Flag: Don't alter hardware state. */
#endif
/* Values for the QUEUE_SELECTOR argument to `tcflush'. */
#define TCIFLUSH 1 /* Discard data received but not yet read. */
#define TCOFLUSH 2 /* Discard data written but not yet sent. */
#define TCIOFLUSH 3 /* Discard all pending data. */
/* Values for the ACTION argument to `tcflow'. */
#define TCOOFF 1 /* Suspend output. */
#define TCOON 2 /* Restart suspended output. */
#define TCIOFF 3 /* Send a STOP character. */
#define TCION 4 /* Send a START character. */