+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved. The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ * @(#)termios.h 7.1 (Berkeley) %G%
+ */
+
+/*
+ * posix termios structure
+ */
+#ifndef _TERMIOS_
+#define _TERMIOS_
+
+#ifdef KERNEL
+#include "ioctl.h"
+#else
+#include <sys/ioctl.h>
+#endif
+
+
+/*
+ * Special Control Characters
+ *
+ * Index into c_cc[] character array.
+ *
+ * Name Subscript Enabled by
+ */
+#define VEOF 0 /* ICANON */
+#define VEOL 1 /* ICANON */
+#define VEOL2 2 /* ICANON */
+#define VERASE 3 /* ICANON */
+#define VWERASE 4 /* ICANON */
+#define VKILL 5 /* ICANON */
+#define VREPRINT 6 /* ICANON */
+#define VQUOTE 7 /* ICANON */
+#define VINTR 8 /* ISIG */
+#define VQUIT 9 /* ISIG */
+#define VSUSP 10 /* ISIG */
+#define VDSUSP 11 /* ISIG */
+#define VSTART 12 /* IXON, IXOFF */
+#define VSTOP 13 /* IXON, IXOFF */
+#define VLNEXT 14 /* IEXTEN */
+#define VFLUSHO 15 /* IEXTEN */
+#define VFLUSH VFLUSHO /* for sun */
+#define VMIN 16 /* !ICANON */
+#define VTIME 17 /* !ICANON */
+
+#define NCC 20 /* two spares */
+
+#define POSIX_V_DISABLE ((unsigned char)'\377')
+#define _POSIX_V_DISABLE POSIX_V_DISABLE
+
+/*
+ * Input flags - software input processing
+ */
+#define IGNBRK 0x00000001 /* ignore BREAK condition */
+#define BRKINT 0x00000002 /* map BREAK to SIGINTR */
+#define IGNPAR 0x00000004 /* ignore (throw out) parity errors */
+#define PARMRK 0x00000008 /* mark parity and framing errors */
+#define INPCK 0x00000010 /* disable 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 IFLOW IXON /* "" */
+#define IXOFF 0x00000400 /* enable input flow control */
+#define ITANDEM IXOFF /* "" */
+#define IXANY 0x00000800 /* any char will restart after stop */
+#define IEXTEN 0x00001000 /* enable FLUSHO and LNEXT */
+#define IMAXBEL 0x00002000 /* ring bell on input queue full */
+
+/*
+ * Output flags - software output processing
+ */
+#define OPOST 0x00000001 /* enable output processing */
+#define ONLCR 0x00000002 /* map NL to CR-NL (ala CRMOD) */
+#define OXTABS 0x00000004 /* expand tabs to spaces */
+
+/*
+ * Control flags - hardware control of terminal
+ */
+#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 mode status lines */
+#define CRTSCTS 0x00010000 /* RTS/CTS flow control */
+
+
+/*
+ * "Local" flags - dumping ground for other state
+ *
+ * Note presence of ISIG and ICANON. Its not *our* fault.
+ */
+
+#define ECHO 0x00000001 /* enable echoing */
+#define ECHOE 0x00000002 /* visually erase chars */
+#define ECHOK 0x00000004 /* echo NL after line kill */
+#define ECHOKE 0x00000008 /* visual erase for line kill */
+#define ECHONL 0x00000010 /* echo NL even if ECHO is off */
+#define ECHOPRT 0x00000020 /* visual erase mode for hardcopy */
+#define ECHOCTL 0x00000040 /* echo control chars as ^(Char) */
+#define ISIG 0x00000080 /* enable signals INTR, QUIT, [D]SUSP */
+#define ICANON 0x00000100 /* canonicalize input lines */
+#define NOFLSH 0x00000200 /* don't flush after interrupt */
+#define TOSTOP 0x00000400 /* stop background jobs from output */
+#define MDMBUF 0x00000800 /* flow control output via Carrier */
+#define NOHANG 0x00001000 /* XXX this should go away */
+#define FLUSHO 0x00002000 /* output being flushed (state) */
+#define PENDIN 0x00004000 /* retype pending input (state) */
+
+struct termios {
+ unsigned long c_iflag; /* input flags */
+ unsigned long c_oflag; /* output flags */
+ unsigned long c_cflag; /* control flags */
+ unsigned long c_lflag; /* local flags */
+ unsigned char c_cc[NCC]; /* control chars */
+ long c_ispeed; /* input speed */
+ long c_ospeed; /* output speed */
+};
+
+/*
+ * Flags to tcsetattr(), for setting the termios structure.
+ *
+ * If TCSASOFT is or'ed in with one of the first three, then
+ * only the software processing flags in the termios structure
+ * are set. That is, the settings of the cflag and speeds
+ * are ignored.
+ */
+#define TCSANOW 0 /* make change immediate */
+#define TCSADRAIN 1 /* drain output, then change */
+#define TCSADFLUSH 2 /* drain output, flush input */
+#define TCSASOFT 0x80000000 /* but ignore hardware settings */
+
+/*
+ * Is c equal to control character val? XXX - should reverse val and c
+ */
+#define CCEQ(val, c) (c == val ? val != POSIX_V_DISABLE : 0)
+
+#endif _TERMIOS_
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