--- /dev/null
+/* $Header$ */
+/*
+ * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ */
+/* Data structures for ioctl/stty/gtty */
+
+struct sgttyb {
+ char sg_ispeed; /* input speed (not used) */
+ char sg_ospeed; /* output speed (not used) */
+ char sg_erase; /* erase character */
+ char sg_kill; /* kill character */
+ short sg_flags; /* mode flags */
+};
+
+struct tchars {
+ char t_intrc; /* SIGINT char */
+ char t_quitc; /* SIGQUIT char */
+ char t_startc; /* start output (initially CTRL-Q) */
+ char t_stopc; /* stop output (initially CTRL-S) */
+ char t_eofc; /* EOF (initially CTRL-D) */
+ char t_brkc; /* input delimiter (like nl) */
+};
+
+/* Fields in t_flags. */
+#define ALLDELAY 0177400
+
+#define BSDELAY 0100000
+# define BS0 0000000
+# define BS1 0100000
+
+#define VTDELAY 0040000
+# define FF0 0000000
+# define FF1 0040000
+
+#define CRDELAY 0030000
+# define CR0 0000000
+# define CR1 0010000
+# define CR2 0020000
+# define CR3 0030000
+
+#define XTABS 0006000 /* do tab expansion */
+
+#define TBDELAY 0006000
+# define TAB0 0000000
+# define TAB1 0002000
+# define TAB2 0004000
+
+#define NLDELAY 0001400
+# define NL0 0000000
+# define NL1 0000400
+# define NL2 0001000
+# define NL3 0001400
+
+#define ANYP 0000300
+#define EVENP 0000200
+#define ODDP 0000100
+
+#define RAW 0000040 /* enable raw mode */
+#define CRMOD 0000020 /* map lf to cr + lf */
+#define ECHO 0000010 /* echo input */
+#define LCASE 0000004
+#define CBREAK 0000002 /* enable cbreak mode */
+#define TANDEM 0000001
+/*#define COOKED 0000000 /* neither CBREAK nor RAW */
+
+#define TIOCGETP (('t'<<8) | 8)
+#define TIOCSETP (('t'<<8) | 9)
+#define TIOCSETN (('t'<<8) | 10)
+#define TIOCEXCL (('t'<<8) | 13)
+#define TIOCNXCL (('t'<<8) | 14)
+#define TIOCHPCL (('t'<<8) | 2)
+#define TIOCGETC (('t'<<8) | 18)
+#define TIOCSETC (('t'<<8) | 17)
+
+#define B0 0
+#define B50 1
+#define B75 2
+#define B110 3
+#define B134 4
+#define B150 5
+#define B200 6
+#define B300 7
+#define B600 8
+#define B1200 9
+#define B1800 10
+#define B2400 11
+#define B4800 12
+#define B9600 13
+#define EXTA 14
+#define EXTB 15