| 1 | /* The <termios.h> header is used for controlling tty modes. */
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| 2 |
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| 3 | #ifndef _TERMIOS_H
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| 4 | #define _TERMIOS_H
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| 5 |
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| 6 | typedef unsigned short tcflag_t;
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| 7 | typedef unsigned char cc_t;
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| 8 | typedef unsigned int speed_t;
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| 9 |
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| 10 | #define NCCS 20 /* size of cc_c array, some extra space
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| 11 | * for extensions. */
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| 12 |
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| 13 | /* Primary terminal control structure. POSIX Table 7-1. */
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| 14 | struct termios {
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| 15 | tcflag_t c_iflag; /* input modes */
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| 16 | tcflag_t c_oflag; /* output modes */
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| 17 | tcflag_t c_cflag; /* control modes */
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| 18 | tcflag_t c_lflag; /* local modes */
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| 19 | speed_t c_ispeed; /* input speed */
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| 20 | speed_t c_ospeed; /* output speed */
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| 21 | cc_t c_cc[NCCS]; /* control characters */
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| 22 | };
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| 23 |
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| 24 | /* Values for termios c_iflag bit map. POSIX Table 7-2. */
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| 25 | #define BRKINT 0x0001 /* signal interrupt on break */
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| 26 | #define ICRNL 0x0002 /* map CR to NL on input */
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| 27 | #define IGNBRK 0x0004 /* ignore break */
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| 28 | #define IGNCR 0x0008 /* ignore CR */
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| 29 | #define IGNPAR 0x0010 /* ignore characters with parity errors */
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| 30 | #define INLCR 0x0020 /* map NL to CR on input */
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| 31 | #define INPCK 0x0040 /* enable input parity check */
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| 32 | #define ISTRIP 0x0080 /* mask off 8th bit */
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| 33 | #define IXOFF 0x0100 /* enable start/stop input control */
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| 34 | #define IXON 0x0200 /* enable start/stop output control */
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| 35 | #define PARMRK 0x0400 /* mark parity errors in the input queue */
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| 36 |
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| 37 | /* Values for termios c_oflag bit map. POSIX Sec. 7.1.2.3. */
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| 38 | #define OPOST 0x0001 /* perform output processing */
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| 39 |
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| 40 | /* Values for termios c_cflag bit map. POSIX Table 7-3. */
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| 41 | #define CLOCAL 0x0001 /* ignore modem status lines */
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| 42 | #define CREAD 0x0002 /* enable receiver */
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| 43 | #define CSIZE 0x000C /* number of bits per character */
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| 44 | #define CS5 0x0000 /* if CSIZE is CS5, characters are 5 bits */
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| 45 | #define CS6 0x0004 /* if CSIZE is CS6, characters are 6 bits */
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| 46 | #define CS7 0x0008 /* if CSIZE is CS7, characters are 7 bits */
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| 47 | #define CS8 0x000C /* if CSIZE is CS8, characters are 8 bits */
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| 48 | #define CSTOPB 0x0010 /* send 2 stop bits if set, else 1 */
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| 49 | #define HUPCL 0x0020 /* hang up on last close */
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| 50 | #define PARENB 0x0040 /* enable parity on output */
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| 51 | #define PARODD 0x0080 /* use odd parity if set, else even */
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| 52 |
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| 53 | /* Values for termios c_lflag bit map. POSIX Table 7-4. */
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| 54 | #define ECHO 0x0001 /* enable echoing of input characters */
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| 55 | #define ECHOE 0x0002 /* echo ERASE as backspace */
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| 56 | #define ECHOK 0x0004 /* echo KILL */
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| 57 | #define ECHONL 0x0008 /* echo NL */
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| 58 | #define ICANON 0x0010 /* canonical input (erase and kill enabled) */
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| 59 | #define IEXTEN 0x0020 /* enable extended functions */
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| 60 | #define ISIG 0x0040 /* enable signals */
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| 61 | #define NOFLSH 0x0080 /* disable flush after interrupt or quit */
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| 62 | #define TOSTOP 0x0100 /* send SIGTTOU (job control, not implemented*/
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| 63 |
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| 64 | /* Indices into c_cc array. Default values in parentheses. POSIX Table 7-5. */
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| 65 | #define VEOF 0 /* cc_c[VEOF] = EOF char (^D) */
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| 66 | #define VEOL 1 /* cc_c[VEOL] = EOL char (undef) */
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| 67 | #define VERASE 2 /* cc_c[VERASE] = ERASE char (^H) */
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| 68 | #define VINTR 3 /* cc_c[VINTR] = INTR char (DEL) */
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| 69 | #define VKILL 4 /* cc_c[VKILL] = KILL char (^U) */
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| 70 | #define VMIN 5 /* cc_c[VMIN] = MIN value for timer */
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| 71 | #define VQUIT 6 /* cc_c[VQUIT] = QUIT char (^\) */
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| 72 | #define VTIME 7 /* cc_c[VTIME] = TIME value for timer */
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| 73 | #define VSUSP 8 /* cc_c[VSUSP] = SUSP (^Z, ignored) */
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| 74 | #define VSTART 9 /* cc_c[VSTART] = START char (^S) */
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| 75 | #define VSTOP 10 /* cc_c[VSTOP] = STOP char (^Q) */
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| 76 |
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| 77 | #define _POSIX_VDISABLE (cc_t)0xFF /* You can't even generate this
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| 78 | * character with 'normal' keyboards.
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| 79 | * But some language specific keyboards
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| 80 | * can generate 0xFF. It seems that all
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| 81 | * 256 are used, so cc_t should be a
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| 82 | * short...
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| 83 | */
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| 84 |
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| 85 | /* Values for the baud rate settings. POSIX Table 7-6. */
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| 86 | #define B0 0x0000 /* hang up the line */
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| 87 | #define B50 0x1000 /* 50 baud */
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| 88 | #define B75 0x2000 /* 75 baud */
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| 89 | #define B110 0x3000 /* 110 baud */
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| 90 | #define B134 0x4000 /* 134.5 baud */
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| 91 | #define B150 0x5000 /* 150 baud */
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| 92 | #define B200 0x6000 /* 200 baud */
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| 93 | #define B300 0x7000 /* 300 baud */
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| 94 | #define B600 0x8000 /* 600 baud */
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| 95 | #define B1200 0x9000 /* 1200 baud */
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| 96 | #define B1800 0xA000 /* 1800 baud */
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| 97 | #define B2400 0xB000 /* 2400 baud */
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| 98 | #define B4800 0xC000 /* 4800 baud */
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| 99 | #define B9600 0xD000 /* 9600 baud */
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| 100 | #define B19200 0xE000 /* 19200 baud */
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| 101 | #define B38400 0xF000 /* 38400 baud */
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| 102 |
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| 103 | /* Optional actions for tcsetattr(). POSIX Sec. 7.2.1.2. */
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| 104 | #define TCSANOW 1 /* changes take effect immediately */
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| 105 | #define TCSADRAIN 2 /* changes take effect after output is done */
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| 106 | #define TCSAFLUSH 3 /* wait for output to finish and flush input */
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| 107 |
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| 108 | /* Queue_selector values for tcflush(). POSIX Sec. 7.2.2.2. */
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| 109 | #define TCIFLUSH 1 /* flush accumulated input data */
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| 110 | #define TCOFLUSH 2 /* flush accumulated output data */
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| 111 | #define TCIOFLUSH 3 /* flush accumulated input and output data */
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| 112 |
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| 113 | /* Action values for tcflow(). POSIX Sec. 7.2.2.2. */
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| 114 | #define TCOOFF 1 /* suspend output */
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| 115 | #define TCOON 2 /* restart suspended output */
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| 116 | #define TCIOFF 3 /* transmit a STOP character on the line */
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| 117 | #define TCION 4 /* transmit a START character on the line */
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| 118 |
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| 119 | /* Function Prototypes. */
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| 120 | #ifndef _ANSI_H
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| 121 | #include <ansi.h>
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| 122 | #endif
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| 123 |
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| 124 | _PROTOTYPE( int tcsendbreak, (int _fildes, int _duration) );
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| 125 | _PROTOTYPE( int tcdrain, (int _filedes) );
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| 126 | _PROTOTYPE( int tcflush, (int _filedes, int _queue_selector) );
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| 127 | _PROTOTYPE( int tcflow, (int _filedes, int _action) );
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| 128 | _PROTOTYPE( speed_t cfgetispeed, (const struct termios *_termios_p) );
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| 129 | _PROTOTYPE( speed_t cfgetospeed, (const struct termios *_termios_p) );
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| 130 | _PROTOTYPE( int cfsetispeed, (struct termios *_termios_p, speed_t _speed) );
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| 131 | _PROTOTYPE( int cfsetospeed, (struct termios *_termios_p, speed_t _speed) );
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| 132 | _PROTOTYPE( int tcgetattr, (int _filedes, struct termios *_termios_p) );
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| 133 | _PROTOTYPE( int tcsetattr, \
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| 134 | (int _filedes, int _opt_actions, const struct termios *_termios_p) );
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| 135 |
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| 136 | #define cfgetispeed(termios_p) ((termios_p)->c_ispeed)
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| 137 | #define cfgetospeed(termios_p) ((termios_p)->c_ospeed)
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| 138 | #define cfsetispeed(termios_p, speed) ((termios_p)->c_ispeed = (speed), 0)
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| 139 | #define cfsetospeed(termios_p, speed) ((termios_p)->c_ospeed = (speed), 0)
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| 140 |
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| 141 | #ifdef _MINIX
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| 142 | /* Here are the local extensions to the POSIX standard for Minix. Posix
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| 143 | * conforming programs are not able to access these, and therefore they are
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| 144 | * only defined when a Minix program is compiled.
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| 145 | */
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| 146 |
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| 147 | /* Extensions to the termios c_iflag bit map. */
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| 148 | #define IXANY 0x0800 /* allow any key to continue ouptut */
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| 149 |
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| 150 | /* Extensions to the termios c_oflag bit map. They are only active iff
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| 151 | * OPOST is enabled. */
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| 152 | #define ONLCR 0x0002 /* Map NL to CR-NL on output */
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| 153 | #define XTABS 0x0004 /* Expand tabs to spaces */
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| 154 | #define ONOEOT 0x0008 /* discard EOT's (^D) on output) */
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| 155 |
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| 156 | /* Extensions to the termios c_lflag bit map. */
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| 157 | #define LFLUSHO 0x0200 /* Flush output. */
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| 158 |
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| 159 | /* Extensions to the c_cc array. */
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| 160 | #define VREPRINT 11 /* cc_c[VREPRINT] (^R) */
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| 161 | #define VLNEXT 12 /* cc_c[VLNEXT] (^V) */
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| 162 | #define VDISCARD 13 /* cc_c[VDISCARD] (^O) */
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| 163 |
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| 164 | /* Extensions to baud rate settings. */
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| 165 | #define B57600 0x0100 /* 57600 baud */
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| 166 | #define B115200 0x0200 /* 115200 baud */
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| 167 |
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| 168 | /* These are the default settings used by the kernel and by 'stty sane' */
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| 169 |
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| 170 | #define TCTRL_DEF (CREAD | CS8 | HUPCL)
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| 171 | #define TINPUT_DEF (BRKINT | ICRNL | IXON | IXANY)
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| 172 | #define TOUTPUT_DEF (OPOST | ONLCR)
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| 173 | #define TLOCAL_DEF (ISIG | IEXTEN | ICANON | ECHO | ECHOE)
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| 174 | #define TSPEED_DEF B9600
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| 175 |
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| 176 | #define TEOF_DEF '\4' /* ^D */
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| 177 | #define TEOL_DEF _POSIX_VDISABLE
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| 178 | #define TERASE_DEF '\10' /* ^H */
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| 179 | #define TINTR_DEF '\3' /* ^C */
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| 180 | #define TKILL_DEF '\25' /* ^U */
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| 181 | #define TMIN_DEF 1
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| 182 | #define TQUIT_DEF '\34' /* ^\ */
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| 183 | #define TSTART_DEF '\21' /* ^Q */
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| 184 | #define TSTOP_DEF '\23' /* ^S */
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| 185 | #define TSUSP_DEF '\32' /* ^Z */
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| 186 | #define TTIME_DEF 0
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| 187 | #define TREPRINT_DEF '\22' /* ^R */
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| 188 | #define TLNEXT_DEF '\26' /* ^V */
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| 189 | #define TDISCARD_DEF '\17' /* ^O */
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| 190 |
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| 191 | /* Window size. This information is stored in the TTY driver but not used.
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| 192 | * This can be used for screen based applications in a window environment.
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| 193 | * The ioctls TIOCGWINSZ and TIOCSWINSZ can be used to get and set this
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| 194 | * information.
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| 195 | */
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| 196 |
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| 197 | struct winsize
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| 198 | {
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| 199 | unsigned short ws_row; /* rows, in characters */
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| 200 | unsigned short ws_col; /* columns, in characters */
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| 201 | unsigned short ws_xpixel; /* horizontal size, pixels */
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| 202 | unsigned short ws_ypixel; /* vertical size, pixels */
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| 203 | };
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| 204 | #endif /* _MINIX */
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| 205 |
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| 206 | #endif /* _TERMIOS_H */
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