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;;; Constant definitions for tty control code (POSIX termios).
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;;; Copyright (c) 1995 by Brian Carlstrom.
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;;; Largely rehacked by Olin.
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;;; These constants are for Solaris 2.x,
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;;; and are taken from /usr/include/sys/termio.h
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;;; and /usr/include/sys/termios.h.
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;;; Non-standard (POSIX, SVR4, 4.3+BSD) things:
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;;; - Some of the baud rates.
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;;; Special Control Characters
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; Indices into the c_cc[] character array.
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;;; Name Subscript Enabled by
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;;; ---- --------- ----------
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;;; POSIX
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(define ttychar/eof 4) ; ^d icanon
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(define ttychar/eol 5) ; icanon
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(define ttychar/delete-char 2) ; ^? icanon
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(define ttychar/delete-line 3) ; ^u icanon
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(define ttychar/interrupt 0) ; ^c isig
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(define ttychar/quit 1) ; ^\ isig
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(define ttychar/suspend 10) ; ^z isig
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(define ttychar/start 8) ; ^q ixon, ixoff
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(define ttychar/stop 9) ; ^s ixon, ixoff
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(define ttychar/min 4) ; !icanon ; Not exported
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(define ttychar/time 5) ; !icanon ; Not exported
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;;; SVR4 & 4.3+BSD
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(define ttychar/delete-word 14) ; ^w icanon
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(define ttychar/reprint 12) ; ^r icanon
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(define ttychar/literal-next 15) ; ^v iexten
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(define ttychar/discard 13) ; ^o iexten
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(define ttychar/delayed-suspend 11) ; ^y isig
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(define ttychar/eol2 6) ; icanon
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;;; 4.3+BSD
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(define ttychar/status #f) ; ^t icanon
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;;; Length of control-char string -- *Not Exported*
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(define num-ttychars 19)
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;;; Magic "disable feature" tty character
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(define disable-tty-char (ascii->char #x00)) ; _POSIX_VDISABLE
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;;; Flags controllling input processing
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; POSIX
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(define ttyin/ignore-break #o00001) ; ignbrk
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(define ttyin/interrupt-on-break #o00002) ; brkint
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(define ttyin/ignore-bad-parity-chars #o00004) ; ignpar
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(define ttyin/mark-parity-errors #o00010) ; parmrk
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(define ttyin/check-parity #o00020) ; inpck
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(define ttyin/7bits #o00040) ; istrip
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(define ttyin/nl->cr #o00100) ; inlcr
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(define ttyin/ignore-cr #o00200) ; igncr
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(define ttyin/cr->nl #o00400) ; icrnl
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(define ttyin/output-flow-ctl #o02000) ; ixon
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(define ttyin/input-flow-ctl #o10000) ; ixoff
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;;; SVR4 & 4.3+BSD
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(define ttyin/xon-any #o4000) ; ixany: Any char restarts after stop
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(define ttyin/beep-on-overflow #o20000) ; imaxbel: queue full => ring bell
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;;; SVR4
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(define ttyin/lowercase #o1000) ; iuclc: Map upper-case to lower case
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;;; Flags controlling output processing
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; POSIX
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(define ttyout/enable #o000001) ; opost: enable output processing
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;;; SVR4 & 4.3+BSD
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(define ttyout/nl->crnl #o000004) ; onlcr: map nl to cr-nl
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;;; 4.3+BSD
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(define ttyout/discard-eot #f) ; onoeot
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(define ttyout/expand-tabs #f) ; oxtabs (NOT xtabs)
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;;; SVR4
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(define ttyout/cr->nl #o000010) ; ocrnl
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(define ttyout/fill-w/del #o000200) ; ofdel
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(define ttyout/delay-w/fill-char #o000100) ; ofill
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(define ttyout/uppercase #o000002) ; olcuc
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(define ttyout/nl-does-cr #o000040) ; onlret
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(define ttyout/no-col0-cr #o000020) ; onocr
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;;; Newline delay
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(define ttyout/nl-delay #o000400) ; mask (nldly)
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(define ttyout/nl-delay0 #o000000)
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(define ttyout/nl-delay1 #o000400) ; tty 37
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;;; Horizontal-tab delay
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(define ttyout/tab-delay #o014000) ; mask (tabdly)
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(define ttyout/tab-delay0 #o000000)
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(define ttyout/tab-delay1 #o004000) ; tty 37
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(define ttyout/tab-delay2 #o010000)
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(define ttyout/tab-delayx #o014000) ; Expand tabs (xtabs, tab3)
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;;; Carriage-return delay
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(define ttyout/cr-delay #o003000) ; mask (crdly)
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(define ttyout/cr-delay0 #o000000)
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(define ttyout/cr-delay1 #o001000) ; tn 300
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(define ttyout/cr-delay2 #o002000) ; tty 37
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(define ttyout/cr-delay3 #o003000) ; concept 100
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;;; Vertical tab delay
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(define ttyout/vtab-delay #o040000) ; mask (vtdly)
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(define ttyout/vtab-delay0 #o000000)
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(define ttyout/vtab-delay1 #o040000) ; tty 37
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;;; Backspace delay
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(define ttyout/bs-delay #o020000) ; mask (bsdly)
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(define ttyout/bs-delay0 #o000000)
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(define ttyout/bs-delay1 #o020000)
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;;; Form-feed delay
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(define ttyout/ff-delay #o100000) ; mask (ffdly)
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(define ttyout/ff-delay0 #o000000)
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(define ttyout/ff-delay1 #o100000)
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(define ttyout/all-delay
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(bitwise-ior (bitwise-ior (bitwise-ior ttyout/nl-delay ttyout/tab-delay)
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(bitwise-ior ttyout/cr-delay ttyout/vtab-delay))
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(bitwise-ior ttyout/bs-delay ttyout/ff-delay)))
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;;; Control flags - hacking the serial-line.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; POSIX
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(define ttyc/char-size #o00060) ; csize: character size mask
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(define ttyc/char-size5 #o00000) ; 5 bits (cs5)
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(define ttyc/char-size6 #o00020) ; 6 bits (cs6)
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(define ttyc/char-size7 #o00040) ; 7 bits (cs7)
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(define ttyc/char-size8 #o00060) ; 8 bits (cs8)
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(define ttyc/2-stop-bits #o00100) ; cstopb: Send 2 stop bits.
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(define ttyc/enable-read #o00200) ; cread: Enable receiver.
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(define ttyc/enable-parity #o00400) ; parenb
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(define ttyc/odd-parity #o01000) ; parodd
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(define ttyc/hup-on-close #o02000) ; hupcl: Hang up on last close.
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(define ttyc/no-modem-sync #o04000) ; clocal: Ignore modem lines.
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;;; 4.3+BSD
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(define ttyc/ignore-flags #f) ; cignore: ignore control flags
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(define ttyc/CTS-output-flow-ctl #f) ; ccts_oflow: CTS flow control of output
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(define ttyc/RTS-input-flow-ctl #f) ; crts_iflow: RTS flow control of input
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(define ttyc/carrier-flow-ctl #f) ; mdmbuf
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;;; Local flags -- hacking the tty driver / user interface.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; POSIX
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(define ttyl/visual-delete #o020) ; echoe: Visually erase chars
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(define ttyl/echo-delete-line #o040) ; echok: Echo nl after line kill
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(define ttyl/echo #o010) ; echo: Enable echoing
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(define ttyl/echo-nl #o100) ; echonl: Echo nl even if echo is off
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(define ttyl/canonical #o002) ; icanon: Canonicalize input
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(define ttyl/enable-signals #o001) ; isig: Enable ^c, ^z signalling
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(define ttyl/extended #o100000) ; iexten: Enable extensions
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(define ttyl/ttou-signal #o400) ; tostop: SIGTTOU on background output
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(define ttyl/no-flush-on-interrupt #o200) ; noflsh
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;;; SVR4 & 4.3+BSD
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(define ttyl/visual-delete-line #o04000); echoke: visually erase a line-kill
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(define ttyl/hardcopy-delete #o02000); echoprt: visual erase for hardcopy
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(define ttyl/echo-ctl #o01000); echoctl: echo control chars as "^X"
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(define ttyl/flush-output #o20000); flusho: output is being flushed
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(define ttyl/reprint-unread-chars #o40000); pendin: retype pending input
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;;; 4.3+BSD
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(define ttyl/alt-delete-word #f) ; altwerase
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(define ttyl/no-kernel-status #f) ; nokerninfo: no kernel status on ^T
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;;; SVR4
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(define ttyl/case-map #o4) ; xcase: canonical upper/lower presentation
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;;; Baud Rates
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(define baud/0 0)
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(define baud/50 1)
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(define baud/75 2)
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(define baud/110 3)
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(define baud/134 4)
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(define baud/150 5)
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(define baud/200 6)
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(define baud/300 7)
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(define baud/600 8)
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(define baud/1200 9)
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(define baud/1800 10)
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(define baud/2400 11)
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(define baud/4800 12)
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(define baud/9600 13)
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(define baud/19200 14)
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(define baud/38400 15)
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;;; Rather cheesy mechanism here.
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;;; Vector of lists because some OS's define EXTA and EXTB to be
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;;; the same code as 19.2k and 38.4k baud.
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(define baud-rates '#((0) (50) (75)
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(110) (134) (150)
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(200) (300) (600)
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(1200) (1800) (2400)
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(4800) (9600) (19200)
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(38400)))
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;;; tcflush() constants
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define %flush-tty/input 0) ; TCIFLUSH
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(define %flush-tty/output 1) ; TCOFLUSH
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(define %flush-tty/both 2) ; TCIOFLUSH
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;;; tcflow() constants
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define %tcflow/start-out 1) ; TCOON
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(define %tcflow/stop-out 0) ; TCOOFF
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(define %tcflow/start-in 3) ; TCION
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(define %tcflow/stop-in 2) ; TCIOFF
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;;; tcsetattr() constants
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define %set-tty-info/now 0) ; TCSANOW Make change immediately.
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(define %set-tty-info/drain 1) ; TCSADRAIN Drain output, then change.
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(define %set-tty-info/flush 2) ; TCSAFLUSH Drain output, flush input.
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