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-.\" Copyright (c) 1980, 1993
-.\"	The Regents of the University of California.  All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\"    notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\"    notice, this list of conditions and the following disclaimer in the
-.\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\"    must display the following acknowledgement:
-.\"	This product includes software developed by the University of
-.\"	California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\"    may be used to endorse or promote products derived from this software
-.\"    without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\"	@(#)doc.IV	8.1 (Berkeley) 6/4/93
-.\"
-.Ds
-.Fd gettmode
-.De
-Get the tty stats.
-This is normally called by
-.Fn initscr .
-.Ds
-.Fd mvcur lasty\*,lastx\*,newy\*,newx
-int	lasty\*,lastx\*,newy\*,newx;
-.De
-Moves the terminal's cursor from
-.Vn lasty\*,lastx ) (
-to
-.Vn newy\*,newx ) (
-in an approximation of optimal fashion.
-This routine uses the functions borrowed from
-.i ex
-version 2.6.
-It is possible to use this optimization
-without the benefit of the screen routines.
-With the screen routines, this should not be called by the user.
-.Fn move
-and
-.Fn refresh
-should be used to move the cursor position,
-so that the routines know what's going on.
-.Ds
-.Fd scroll win
-WINDOW	*win;
-.De
-Scroll the window upward one line.
-This is normally not used by the user.
-.Ds
-.Fd savetty "" \*m
-.Fd resetty "" \*m
-.De
-.Fn savetty
-saves the current tty characteristic flags.
-.Fn resetty
-restores them to what
-.Fn savetty
-stored.
-These functions are performed automatically by
-.Fn initscr
-and
-.Fn endwin .
-.Ds
-.Fd setterm name
-char	*name;
-.De
-Set the terminal characteristics to be those of the terminal named
-.Vn name ,
-getting the terminal size from the
-.b TIOCGWINSZ
-.Fn ioctl "" "" 2
-if it exists,
-otherwise from the environment.
-This is normally called by
-.Fn initscr .
-.Ds
-.Fd tstp
-.De
-If the new
-.b tty (4)
-driver is in use,
-this function
-will save the current tty state
-and then put the process to sleep.
-When the process gets restarted,
-it restores the tty state
-and then calls
-.Fn wrefresh "" "" curscr
-to redraw the screen.
-.Fn initscr
-sets the signal
-SIGTSTP
-to trap to this routine.