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

     /*      $OpenBSD: termios.h,v 1.14 2022/12/30 23:41:45 millert Exp $    */
     /*      $NetBSD: termios.h,v 1.14 1996/04/09 20:55:41 cgd Exp $ */
     
     /*
      * 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
     */
    
    #ifndef _SYS_TERMIOS_H_
    #define _SYS_TERMIOS_H_
    
    #include <sys/cdefs.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 */
    #endif
    #define VERASE          3       /* ICANON */
    #if __BSD_VISIBLE
    #define VWERASE         4       /* ICANON */
    #endif
    #define VKILL           5       /* ICANON */
    #if __BSD_VISIBLE
    #define VREPRINT        6       /* ICANON */
    #endif
    /*                      7          spare 1 */
    #define VINTR           8       /* ISIG */
    #define VQUIT           9       /* ISIG */
    #define VSUSP           10      /* ISIG */
    #if __BSD_VISIBLE
    #define VDSUSP          11      /* ISIG */
    #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 */
    /*                      19         spare 2 */
    #endif
    #define NCCS            20
    
    #define _POSIX_VDISABLE (0377)
    
    #if __BSD_VISIBLE
    #define CCEQ(val, c)    (c == val ? val != _POSIX_VDISABLE : 0)
    #endif
    
    /*
     * Input flags - software input processing
     */
    #define IGNBRK          0x00000001      /* ignore BREAK condition */
    #define BRKINT          0x00000002      /* map BREAK to SIGINT */
    #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 __BSD_VISIBLE
   #define IXANY           0x00000800      /* any char will restart after stop */
   #define IUCLC           0x00001000      /* translate upper to lower case */
   #define IMAXBEL         0x00002000      /* ring bell on input queue full */
   #endif /* __BSD_VISIBLE */
   
   /*
    * Output flags - software output processing
    */
   #define OPOST           0x00000001      /* enable following output processing */
   #if __XPG_VISIBLE
   #define ONLCR           0x00000002      /* map NL to CR-NL (ala CRMOD) */
   #endif
   #if __BSD_VISIBLE || __XPG_VISIBLE
   #define TABDLY          0x00000004      /* horizontal tab delay mask */
   #define TAB0            0x00000000      /* no tab delay or expansion */
   #define TAB3            0x00000004      /* expand tabs to spaces */
   #if __BSD_VISIBLE
   #define OXTABS          TAB3            /* BSD name for TAB3 */
   #define ONOEOT          0x00000008      /* discard EOT's (^D) on output */
   #endif
   #endif
   #if __XPG_VISIBLE
   #define OCRNL           0x00000010      /* map CR to NL */
   #define OLCUC           0x00000020      /* translate lower case to upper case */
   #define ONOCR           0x00000040      /* No CR output at column 0 */
   #define ONLRET          0x00000080      /* NL performs the CR function */
   #endif /* __XPG_VISIBLE */
   
   /*
    * 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 CRTSCTS         0x00010000      /* RTS/CTS full-duplex flow control */
   #define CRTS_IFLOW      CRTSCTS         /* XXX compat */
   #define CCTS_OFLOW      CRTSCTS         /* XXX compat */
   #define MDMBUF          0x00100000      /* DTR/DCD hardware flow control */
   #define CHWFLOW         (MDMBUF|CRTSCTS) /* all types of hw flow control */
   #endif /* __BSD_VISIBLE */
   
   /*
    * "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 XCASE           0x01000000      /* canonical upper/lower case */
   #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 */
   
   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 */
           int             c_ispeed;       /* input speed */
           int             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 TCSAFLUSH       2               /* drain output, flush input */
   #if __BSD_VISIBLE
   #define TCSASOFT        0x10            /* flag - don't alter h.w. state */
   #endif
   
   /*
    * 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 EXTA    19200
   #define EXTB    38400
   #endif /* __BSD_VISIBLE */
   
   #ifndef _KERNEL
   
   #define TCIFLUSH        1
   #define TCOFLUSH        2
   #define TCIOFLUSH       3
   #define TCOOFF          1
   #define TCOON           2
   #define TCIOFF          3
   #define TCION           4
   
   #include <sys/_types.h>
   
   #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
   #ifndef _PID_T_DEFINED_
   #define _PID_T_DEFINED_
   typedef __pid_t         pid_t;
   #endif
   #endif
   
   __BEGIN_DECLS
   speed_t cfgetispeed(const struct termios *);
   speed_t cfgetospeed(const struct termios *);
   int     cfsetispeed(struct termios *, speed_t);
   int     cfsetospeed(struct termios *, speed_t);
   int     tcgetattr(int, struct termios *);
   int     tcsetattr(int, int, const struct termios *);
   int     tcdrain(int);
   int     tcflow(int, int);
   int     tcflush(int, int);
   int     tcsendbreak(int, int);
   
   #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
   pid_t   tcgetsid(int);
   #endif
   
   #if __BSD_VISIBLE
   void    cfmakeraw(struct termios *);
   int     cfsetspeed(struct termios *, speed_t);
   #endif /* __BSD_VISIBLE */
   __END_DECLS
   
   #endif /* !_KERNEL */
   
   #if __BSD_VISIBLE
   /*
    * Include tty ioctl's that aren't just for backwards compatibility
    * with the old tty driver.  These ioctl definitions were previously
    * in <sys/ioctl.h>.
    */
   #include <sys/ttycom.h>
   #endif
   
   /*
    * END OF PROTECTED INCLUDE.
    */
   #endif /* !_SYS_TERMIOS_H_ */
   
   #if __BSD_VISIBLE
   #include <sys/ttydefaults.h>
   #endif

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