#define TARGET_NCCS 19

typedef unsigned char   target_cc_t;
typedef unsigned int    target_speed_t;
typedef unsigned int    target_tcflag_t;
struct target_termios {
        target_tcflag_t c_iflag;                /* input mode flags */
        target_tcflag_t c_oflag;                /* output mode flags */
        target_tcflag_t c_cflag;                /* control mode flags */
        target_tcflag_t c_lflag;                /* local mode flags */
        target_cc_t c_line;                     /* line discipline */
        target_cc_t c_cc[TARGET_NCCS];          /* control characters */
};

/* c_cc characters */
#define TARGET_VINTR 0
#define TARGET_VQUIT 1
#define TARGET_VERASE 2
#define TARGET_VKILL 3
#define TARGET_VEOF 4
#define TARGET_VTIME 5
#define TARGET_VMIN 6
#define TARGET_VSWTC 7
#define TARGET_VSTART 8
#define TARGET_VSTOP 9
#define TARGET_VSUSP 10
#define TARGET_VEOL 11
#define TARGET_VREPRINT 12
#define TARGET_VDISCARD 13
#define TARGET_VWERASE 14
#define TARGET_VLNEXT 15
#define TARGET_VEOL2 16

/* c_iflag bits */
#define TARGET_IGNBRK   0000001
#define TARGET_BRKINT   0000002
#define TARGET_IGNPAR   0000004
#define TARGET_PARMRK   0000010
#define TARGET_INPCK    0000020
#define TARGET_ISTRIP   0000040
#define TARGET_INLCR    0000100
#define TARGET_IGNCR    0000200
#define TARGET_ICRNL    0000400
#define TARGET_IUCLC    0001000
#define TARGET_IXON     0002000
#define TARGET_IXANY    0004000
#define TARGET_IXOFF    0010000
#define TARGET_IMAXBEL  0020000
#define TARGET_IUTF8    0040000

/* c_oflag bits */
#define TARGET_OPOST    0000001
#define TARGET_OLCUC    0000002
#define TARGET_ONLCR    0000004
#define TARGET_OCRNL    0000010
#define TARGET_ONOCR    0000020
#define TARGET_ONLRET   0000040
#define TARGET_OFILL    0000100
#define TARGET_OFDEL    0000200
#define TARGET_NLDLY    0000400
#define   TARGET_NL0    0000000
#define   TARGET_NL1    0000400
#define TARGET_CRDLY    0003000
#define   TARGET_CR0    0000000
#define   TARGET_CR1    0001000
#define   TARGET_CR2    0002000
#define   TARGET_CR3    0003000
#define TARGET_TABDLY   0014000
#define   TARGET_TAB0   0000000
#define   TARGET_TAB1   0004000
#define   TARGET_TAB2   0010000
#define   TARGET_TAB3   0014000
#define   TARGET_XTABS  0014000
#define TARGET_BSDLY    0020000
#define   TARGET_BS0    0000000
#define   TARGET_BS1    0020000
#define TARGET_VTDLY    0040000
#define   TARGET_VT0    0000000
#define   TARGET_VT1    0040000
#define TARGET_FFDLY    0100000
#define   TARGET_FF0    0000000
#define   TARGET_FF1    0100000

/* c_cflag bit meaning */
#define TARGET_CBAUD    0010017
#define  TARGET_B0      0000000         /* hang up */
#define  TARGET_B50     0000001
#define  TARGET_B75     0000002
#define  TARGET_B110    0000003
#define  TARGET_B134    0000004
#define  TARGET_B150    0000005
#define  TARGET_B200    0000006
#define  TARGET_B300    0000007
#define  TARGET_B600    0000010
#define  TARGET_B1200   0000011
#define  TARGET_B1800   0000012
#define  TARGET_B2400   0000013
#define  TARGET_B4800   0000014
#define  TARGET_B9600   0000015
#define  TARGET_B19200  0000016
#define  TARGET_B38400  0000017
#define TARGET_EXTA B19200
#define TARGET_EXTB B38400
#define TARGET_CSIZE    0000060
#define   TARGET_CS5    0000000
#define   TARGET_CS6    0000020
#define   TARGET_CS7    0000040
#define   TARGET_CS8    0000060
#define TARGET_CSTOPB   0000100
#define TARGET_CREAD    0000200
#define TARGET_PARENB   0000400
#define TARGET_PARODD   0001000
#define TARGET_HUPCL    0002000
#define TARGET_CLOCAL   0004000
#define TARGET_CBAUDEX 0010000
#define    TARGET_BOTHER 0010000                /* non standard rate */
#define    TARGET_B57600 0010001
#define   TARGET_B115200 0010002
#define   TARGET_B230400 0010003
#define   TARGET_B460800 0010004
#define   TARGET_B500000 0010005
#define   TARGET_B576000 0010006
#define   TARGET_B921600 0010007
#define  TARGET_B1000000 0010010
#define  TARGET_B1152000 0010011
#define  TARGET_B1500000 0010012
#define  TARGET_B2000000 0010013
#define  TARGET_B2500000 0010014
#define  TARGET_B3000000 0010015
#define  TARGET_B3500000 0010016
#define  TARGET_B4000000 0010017
#define TARGET_CIBAUD     002003600000  /* input baud rate */
#define TARGET_CMSPAR     010000000000          /* mark or space (stick) parity */
#define TARGET_CRTSCTS    020000000000          /* flow control */

#define TARGET_IBSHIFT    8             /* Shift from CBAUD to CIBAUD */

/* c_lflag bits */
#define TARGET_ISIG     0000001
#define TARGET_ICANON   0000002
#define TARGET_XCASE    0000004
#define TARGET_ECHO     0000010
#define TARGET_ECHOE    0000020
#define TARGET_ECHOK    0000040
#define TARGET_ECHONL   0000100
#define TARGET_NOFLSH   0000200
#define TARGET_TOSTOP   0000400
#define TARGET_ECHOCTL  0001000
#define TARGET_ECHOPRT  0002000
#define TARGET_ECHOKE   0004000
#define TARGET_FLUSHO   0010000
#define TARGET_PENDIN   0040000
#define TARGET_IEXTEN   0100000

/* tcflow() and TCXONC use these */
#define TARGET_TCOOFF           0
#define TARGET_TCOON            1
#define TARGET_TCIOFF           2
#define TARGET_TCION            3

/* tcflush() and TCFLSH use these */
#define TARGET_TCIFLUSH 0
#define TARGET_TCOFLUSH 1
#define TARGET_TCIOFLUSH        2

/* tcsetattr uses these */
#define TARGET_TCSANOW          0
#define TARGET_TCSADRAIN        1
#define TARGET_TCSAFLUSH        2

#define TARGET_TCGETS           0x5401
#define TARGET_TCSETS           0x5402
#define TARGET_TCSETSW          0x5403
#define TARGET_TCSETSF          0x5404
#define TARGET_TCGETA           0x5405
#define TARGET_TCSETA           0x5406
#define TARGET_TCSETAW          0x5407
#define TARGET_TCSETAF          0x5408
#define TARGET_TCSBRK           0x5409
#define TARGET_TCXONC           0x540A
#define TARGET_TCFLSH           0x540B
#define TARGET_TIOCEXCL 0x540C
#define TARGET_TIOCNXCL 0x540D
#define TARGET_TIOCSCTTY        0x540E
#define TARGET_TIOCGPGRP        0x540F
#define TARGET_TIOCSPGRP        0x5410
#define TARGET_TIOCOUTQ 0x5411
#define TARGET_TIOCSTI          0x5412
#define TARGET_TIOCGWINSZ       0x5413
#define TARGET_TIOCSWINSZ       0x5414
#define TARGET_TIOCMGET 0x5415
#define TARGET_TIOCMBIS 0x5416
#define TARGET_TIOCMBIC 0x5417
#define TARGET_TIOCMSET 0x5418
#define TARGET_TIOCGSOFTCAR     0x5419
#define TARGET_TIOCSSOFTCAR     0x541A
#define TARGET_FIONREAD 0x541B
#define TARGET_TIOCINQ          FIONREAD
#define TARGET_TIOCLINUX        0x541C
#define TARGET_TIOCCONS 0x541D
#define TARGET_TIOCGSERIAL      0x541E
#define TARGET_TIOCSSERIAL      0x541F
#define TARGET_TIOCPKT          0x5420
#define TARGET_FIONBIO          0x5421
#define TARGET_TIOCNOTTY        0x5422
#define TARGET_TIOCSETD 0x5423
#define TARGET_TIOCGETD 0x5424
#define TARGET_TCSBRKP          0x5425  /* Needed for POSIX tcsendbreak() */
#define TARGET_TIOCSBRK 0x5427  /* BSD compatibility */
#define TARGET_TIOCCBRK 0x5428  /* BSD compatibility */
#define TARGET_TIOCGSID 0x5429  /* Return the session ID of FD */
#define TARGET_TCGETS2          _IOR('T',0x2A, struct termios2)
#define TARGET_TCSETS2          _IOW('T',0x2B, struct termios2)
#define TARGET_TCSETSW2 _IOW('T',0x2C, struct termios2)
#define TARGET_TCSETSF2 _IOW('T',0x2D, struct termios2)
#define TARGET_TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
#define TARGET_TIOCSPTLCK       _IOW('T',0x31, int)  /* Lock/unlock Pty */

#define TARGET_FIONCLEX 0x5450  /* these numbers need to be adjusted. */
#define TARGET_FIOCLEX          0x5451
#define TARGET_FIOASYNC 0x5452
#define TARGET_TIOCSERCONFIG    0x5453
#define TARGET_TIOCSERGWILD     0x5454
#define TARGET_TIOCSERSWILD     0x5455
#define TARGET_TIOCGLCKTRMIOS   0x5456
#define TARGET_TIOCSLCKTRMIOS   0x5457
#define TARGET_TIOCSERGSTRUCT   0x5458 /* For debugging only */
#define TARGET_TIOCSERGETLSR   0x5459 /* Get line status register */
#define TARGET_TIOCSERGETMULTI 0x545A /* Get multiport config  */
#define TARGET_TIOCSERSETMULTI 0x545B /* Set multiport config */

#define TARGET_TIOCMIWAIT       0x545C  /* wait for a change on serial input line(s) */
#define TARGET_TIOCGICOUNT      0x545D  /* read serial port inline interrupt counts */
#define TARGET_TIOCGHAYESESP   0x545E  /* Get Hayes ESP configuration */
#define TARGET_TIOCSHAYESESP   0x545F  /* Set Hayes ESP configuration */
#define TARGET_FIOQSIZE       0x5460

/* Used for packet mode */
#define TARGET_TIOCPKT_DATA              0
#define TARGET_TIOCPKT_FLUSHREAD         1
#define TARGET_TIOCPKT_FLUSHWRITE        2
#define TARGET_TIOCPKT_STOP              4
#define TARGET_TIOCPKT_START             8
#define TARGET_TIOCPKT_NOSTOP           16
#define TARGET_TIOCPKT_DOSTOP           32

#define TARGET_TIOCSER_TEMT    0x01     /* Transmitter physically empty */