FreeBSD/Linux Kernel Cross Reference
sys/sys/_termios.h

     /*-
      * SPDX-License-Identifier: BSD-3-Clause
      *
      * Copyright (c) 1988, 1989, 1993, 1994
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)termios.h   8.3 (Berkeley) 3/28/94
     * $FreeBSD$
     */
    
    #ifndef _SYS__TERMIOS_H_
    #define _SYS__TERMIOS_H_
    
    /*
     * Special Control Characters
     *
     * Index into c_cc[] character array.
     *
     *      Name         Subscript  Enabled by
     */
    #define VEOF            0       /* ICANON */
    #define VEOL            1       /* ICANON */
    #if __BSD_VISIBLE
    #define VEOL2           2       /* ICANON together with IEXTEN */
    #endif
    #define VERASE          3       /* ICANON */
    #if __BSD_VISIBLE
    #define VWERASE         4       /* ICANON together with IEXTEN */
    #endif
    #define VKILL           5       /* ICANON */
    #if __BSD_VISIBLE
    #define VREPRINT        6       /* ICANON together with IEXTEN */
    #define VERASE2         7       /* ICANON */
    #endif
    /*                      7          ex-spare 1 */
    #define VINTR           8       /* ISIG */
    #define VQUIT           9       /* ISIG */
    #define VSUSP           10      /* ISIG */
    #if __BSD_VISIBLE
    #define VDSUSP          11      /* ISIG together with IEXTEN */
    #endif
    #define VSTART          12      /* IXON, IXOFF */
    #define VSTOP           13      /* IXON, IXOFF */
    #if __BSD_VISIBLE
    #define VLNEXT          14      /* IEXTEN */
    #define VDISCARD        15      /* IEXTEN */
    #endif
    #define VMIN            16      /* !ICANON */
    #define VTIME           17      /* !ICANON */
    #if __BSD_VISIBLE
    #define VSTATUS         18      /* ICANON together with IEXTEN */
    /*                      19         spare 2 */
    #endif
    #define NCCS            20
    
    #define _POSIX_VDISABLE 0xff
    
    /*
     * 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      /* enable 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 IXOFF           0x00000400      /* enable input flow control */
    #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
    #define IXANY           0x00000800      /* any char will restart after stop */
    #endif
    #if __BSD_VISIBLE
   #define IMAXBEL         0x00002000      /* ring bell on input queue full */
   #endif
   
   /*
    * Output flags - software output processing
    */
   #define OPOST           0x00000001      /* enable following output processing */
   #if __XSI_VISIBLE
   #define ONLCR           0x00000002      /* map NL to CR-NL (ala CRMOD) */
   #endif
   #if __BSD_VISIBLE
   #define TABDLY          0x00000004      /* tab delay mask */
   #define     TAB0            0x00000000      /* no tab delay and expansion */
   #define     TAB3            0x00000004      /* expand tabs to spaces */
   #define ONOEOT          0x00000008      /* discard EOT's (^D) on output) */
   #endif
   #if __XSI_VISIBLE
   #define OCRNL           0x00000010      /* map CR to NL on output */
   #define ONOCR           0x00000020      /* no CR output at column 0 */
   #define ONLRET          0x00000040      /* NL performs CR function */
   #endif
   
   /*
    * Control flags - hardware control of terminal
    */
   #if __BSD_VISIBLE
   #define CIGNORE         0x00000001      /* ignore control flags */
   #endif
   #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 */
   #if __BSD_VISIBLE
   #define CCTS_OFLOW      0x00010000      /* CTS flow control of output */
   #define CRTSCTS         (CCTS_OFLOW | CRTS_IFLOW)
   #define CRTS_IFLOW      0x00020000      /* RTS flow control of input */
   #define CDTR_IFLOW      0x00040000      /* DTR flow control of input */
   #define CDSR_OFLOW      0x00080000      /* DSR flow control of output */
   #define CCAR_OFLOW      0x00100000      /* DCD flow control of output */
   #endif
   
   
   /*
    * "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.
    */
   
   #if __BSD_VISIBLE
   #define ECHOKE          0x00000001      /* visual erase for line kill */
   #endif
   #define ECHOE           0x00000002      /* visually erase chars */
   #define ECHOK           0x00000004      /* echo NL after line kill */
   #define ECHO            0x00000008      /* enable echoing */
   #define ECHONL          0x00000010      /* echo NL even if ECHO is off */
   #if __BSD_VISIBLE
   #define ECHOPRT         0x00000020      /* visual erase mode for hardcopy */
   #define ECHOCTL         0x00000040      /* echo control chars as ^(Char) */
   #endif
   #define ISIG            0x00000080      /* enable signals INTR, QUIT, [D]SUSP */
   #define ICANON          0x00000100      /* canonicalize input lines */
   #if __BSD_VISIBLE
   #define ALTWERASE       0x00000200      /* use alternate WERASE algorithm */
   #endif
   #define IEXTEN          0x00000400      /* enable DISCARD and LNEXT */
   #define EXTPROC         0x00000800      /* external processing */
   #define TOSTOP          0x00400000      /* stop background jobs from output */
   #if __BSD_VISIBLE
   #define FLUSHO          0x00800000      /* output being flushed (state) */
   #define NOKERNINFO      0x02000000      /* no kernel output from VSTATUS */
   #define PENDIN          0x20000000      /* XXX retype pending input (state) */
   #endif
   #define NOFLSH          0x80000000      /* don't flush after interrupt */
   
   /*
    * Standard speeds
    */
   #define B0      0
   #define B50     50
   #define B75     75
   #define B110    110
   #define B134    134
   #define B150    150
   #define B200    200
   #define B300    300
   #define B600    600
   #define B1200   1200
   #define B1800   1800
   #define B2400   2400
   #define B4800   4800
   #define B9600   9600
   #define B19200  19200
   #define B38400  38400
   #if __BSD_VISIBLE
   #define B7200   7200
   #define B14400  14400
   #define B28800  28800
   #define B57600  57600
   #define B76800  76800
   #define B115200 115200
   #define B230400 230400
   #define B460800 460800
   #define B921600 921600
   #define EXTA    19200
   #define EXTB    38400
   #endif
   
   typedef unsigned int    tcflag_t;
   typedef unsigned char   cc_t;
   typedef unsigned int    speed_t;
   
   struct termios {
           tcflag_t        c_iflag;        /* input flags */
           tcflag_t        c_oflag;        /* output flags */
           tcflag_t        c_cflag;        /* control flags */
           tcflag_t        c_lflag;        /* local flags */
           cc_t            c_cc[NCCS];     /* control chars */
           speed_t         c_ispeed;       /* input speed */
           speed_t         c_ospeed;       /* output speed */
   };
   
   #endif /* !_SYS__TERMIOS_H_ */

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