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dead35dd0f
I've introduced a new POD struct type 'ssh_ttymodes' which stores an encoding of everything you can specify in the "pty-req" packet or the SSH-1 equivalent. This allows me to split up write_ttymodes_to_packet_from_conf() into two separate functions, one to parse all the ttymode data out of a Conf (and a Seat for fallback) and return one of those structures, and the other to write it into an SSH packet. While I'm at it, I've moved the special case of terminal speeds into the same mechanism, simplifying the call sites in both versions of the SSH protocol. The new master definition of all terminal modes lives in a header file, with an ifdef around each item, so that later on I'll be able to include it in a context that only enumerates the modes supported by the particular target Unix platform.
180 lines
5.5 KiB
C
180 lines
5.5 KiB
C
/*
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* List of SSH terminal modes, indicating whether SSH types them as
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* char or boolean, and if they're boolean, which POSIX flags field of
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* a termios structure they appear in, and what bit mask removes them
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* (e.g. CS7 and CS8 aren't single bits).
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*
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* Sources: RFC 4254, SSH-1 RFC-1.2.31, POSIX 2017, and the Linux
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* termios manpage for flags not specified by POSIX.
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*
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* This is a separate header file rather than my usual style of a
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* parametric list macro, because in this case I need to be able to
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* #ifdef out each mode in case it's not defined on a particular
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* target system.
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*
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* If you want only the locally defined modes, #define
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* TTYMODES_LOCAL_ONLY before including this header.
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*/
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#if !defined TTYMODES_LOCAL_ONLY || defined VINTR
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TTYMODE_CHAR(INTR, 1, VINTR)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VQUIT
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TTYMODE_CHAR(QUIT, 2, VQUIT)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VERASE
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TTYMODE_CHAR(ERASE, 3, VERASE)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VKILL
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TTYMODE_CHAR(KILL, 4, VKILL)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VEOF
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TTYMODE_CHAR(EOF, 5, VEOF)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VEOL
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TTYMODE_CHAR(EOL, 6, VEOL)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VEOL2
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TTYMODE_CHAR(EOL2, 7, VEOL2)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VSTART
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TTYMODE_CHAR(START, 8, VSTART)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VSTOP
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TTYMODE_CHAR(STOP, 9, VSTOP)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VSUSP
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TTYMODE_CHAR(SUSP, 10, VSUSP)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VDSUSP
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TTYMODE_CHAR(DSUSP, 11, VDSUSP)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VREPRINT
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TTYMODE_CHAR(REPRINT, 12, VREPRINT)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VWERASE
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TTYMODE_CHAR(WERASE, 13, VWERASE)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VLNEXT
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TTYMODE_CHAR(LNEXT, 14, VLNEXT)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VFLUSH
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TTYMODE_CHAR(FLUSH, 15, VFLUSH)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VSWTCH
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TTYMODE_CHAR(SWTCH, 16, VSWTCH)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VSTATUS
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TTYMODE_CHAR(STATUS, 17, VSTATUS)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined VDISCARD
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TTYMODE_CHAR(DISCARD, 18, VDISCARD)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined IGNPAR
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TTYMODE_FLAG(IGNPAR, 30, i, IGNPAR)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined PARMRK
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TTYMODE_FLAG(PARMRK, 31, i, PARMRK)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined INPCK
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TTYMODE_FLAG(INPCK, 32, i, INPCK)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ISTRIP
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TTYMODE_FLAG(ISTRIP, 33, i, ISTRIP)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined INLCR
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TTYMODE_FLAG(INLCR, 34, i, INLCR)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined IGNCR
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TTYMODE_FLAG(IGNCR, 35, i, IGNCR)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ICRNL
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TTYMODE_FLAG(ICRNL, 36, i, ICRNL)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined IUCLC
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TTYMODE_FLAG(IUCLC, 37, i, IUCLC)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined IXON
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TTYMODE_FLAG(IXON, 38, i, IXON)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined IXANY
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TTYMODE_FLAG(IXANY, 39, i, IXANY)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined IXOFF
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TTYMODE_FLAG(IXOFF, 40, i, IXOFF)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined IMAXBEL
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TTYMODE_FLAG(IMAXBEL, 41, i, IMAXBEL)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined IUTF8
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TTYMODE_FLAG(IUTF8, 42, i, IUTF8)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ISIG
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TTYMODE_FLAG(ISIG, 50, l, ISIG)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ICANON
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TTYMODE_FLAG(ICANON, 51, l, ICANON)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined XCASE
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TTYMODE_FLAG(XCASE, 52, l, XCASE)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ECHO
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TTYMODE_FLAG(ECHO, 53, l, ECHO)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ECHOE
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TTYMODE_FLAG(ECHOE, 54, l, ECHOE)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ECHOK
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TTYMODE_FLAG(ECHOK, 55, l, ECHOK)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ECHONL
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TTYMODE_FLAG(ECHONL, 56, l, ECHONL)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined NOFLSH
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TTYMODE_FLAG(NOFLSH, 57, l, NOFLSH)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined TOSTOP
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TTYMODE_FLAG(TOSTOP, 58, l, TOSTOP)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined IEXTEN
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TTYMODE_FLAG(IEXTEN, 59, l, IEXTEN)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ECHOCTL
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TTYMODE_FLAG(ECHOCTL, 60, l, ECHOCTL)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ECHOKE
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TTYMODE_FLAG(ECHOKE, 61, l, ECHOKE)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined PENDIN
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TTYMODE_FLAG(PENDIN, 62, l, PENDIN)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined OPOST
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TTYMODE_FLAG(OPOST, 70, o, OPOST)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined OLCUC
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TTYMODE_FLAG(OLCUC, 71, o, OLCUC)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ONLCR
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TTYMODE_FLAG(ONLCR, 72, o, ONLCR)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined OCRNL
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TTYMODE_FLAG(OCRNL, 73, o, OCRNL)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ONOCR
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TTYMODE_FLAG(ONOCR, 74, o, ONOCR)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined ONLRET
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TTYMODE_FLAG(ONLRET, 75, o, ONLRET)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined CS7
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TTYMODE_FLAG(CS7, 90, c, CSIZE)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined CS8
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TTYMODE_FLAG(CS8, 91, c, CSIZE)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined PARENB
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TTYMODE_FLAG(PARENB, 92, c, PARENB)
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#endif
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#if !defined TTYMODES_LOCAL_ONLY || defined PARODD
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TTYMODE_FLAG(PARODD, 93, c, PARODD)
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#endif
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