4.4BSD/usr/src/lib/libcurses/curses.3

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.\" Copyright (c) 1985, 1991, 1993
.\"	The Regents of the University of California.  All rights reserved.
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.\"     @(#)curses.3	8.1 (Berkeley) 6/4/93
.\"
.Dd June 4, 1993
.Dt CURSES 3
.Os BSD 4
.Sh NAME
.Nm curses
.Nd screen functions with ``optimal'' cursor motion
.Sh SYNOPSIS
.Nm cc
.Op Ar flags
.Ar files
.Fl lcurses ltermcap
.Op Ar libraries
.Sh DESCRIPTION
These routines give the user a method of updating screens with reasonable
optimization.  They keep an image of the current screen,
and the user sets up an image of a new one.  Then the
.Fn refresh
tells the routines to make the current screen look like the new one.
In order to initialize the routines, the routine
.Fn initscr
must be called before any of the other routines that deal with windows and
screens are used.  The routine
.Fn endwin
should be called before exiting.
.Sh SEE ALSO
.Xr ioctl 2 ,
.Xr getenv 3 ,
.Xr tty 4 ,
.Xr termcap 5
.Rs
.%T Screen Updating and Cursor Movement Optimization: A Library Package
.%A Ken Arnold
.Re
.Sh AUTHOR
.An Ken Arnold
.Sh FUNCTIONS
.Bl -column "subwin(win,lines,cols,begin_y,begin_x)   "
.It addch(ch)	add a character to
.Em stdscr
.It addstr(str)	add a string to
.Em stdscr
.It box(win,vert,hor)	draw a box around a window
.It cbreak()	set cbreak mode
.It clear()	clear
.Em stdscr
.It clearok(scr,boolf)	set clear flag for
.Em scr
.It clrtobot()	clear to bottom on
.Em stdscr
.It clrtoeol()	clear to end of line on
.Em stdscr
.It delch()	delete a character
.It deleteln()	delete a line
.It delwin(win)	delete
.Em stdscr
.It echo()	set echo mode
.It endwin()	end window modes
.It erase()	erase
.Em stdscr
.It flusok(win,boolf)	set flush-on-refresh flag for
.Em win
.It getch()	get a char through
.Em stdscr
.It getcap(name)	get terminal capability
.Em name
.It getstr(str)	get a string through
.Em stdscr
.It gettmode()	get tty modes
.It getyx(win,y,x)	get (y,x) co-ordinates
.It inch()	get char at current (y,x) co-ordinates
.It initscr()	initialize screens
.It insch(c)	insert a char
.It insertln()	insert a line
.It leaveok(win,boolf)	set leave flag for
.Em stdscr
.It longname(termbuf,name)	get long name from
.Em termbuf
.It move(y,x)	move to (y,x) on
.Em stdscr
.It mvcur(lasty,lastx,newy,newx)	actually move cursor
.It newwin(lines,cols,begin_y,begin_x)\ 	create a new window
.It nl()	set newline mapping
.It nocbreak()	unset cbreak mode
.It noecho()	unset echo mode
.It nonl()	unset newline mapping
.It noraw()	unset raw mode
.It overlay(win1,win2)	overlay win1 on win2
.It overwrite(win1,win2)	overwrite win1 on top of win2
.It printw(fmt,arg1,arg2,...)	printf on
.Em stdscr
.It raw()	set raw mode
.It refresh()	make current screen look like
.Em stdscr
.It resetty()	reset tty flags to stored value
.It savetty()	stored current tty flags
.It scanw(fmt,arg1,arg2,...)	scanf through
.Em stdscr
.It scroll(win)	scroll
.Em win
one line
.It scrollok(win,boolf)	set scroll flag
.It setterm(name)	set term variables for name
.It standend()	end standout mode
.It standout()	start standout mode
.It subwin(win,lines,cols,begin_y,begin_x)\ 	create a subwindow
.It touchline(win,y,sx,ex)	mark line
.Em y
.Em sx
through
.Em sy
as changed
.It touchoverlap(win1,win2)	mark overlap of
.Em win1
on
.Em win2
as changed
.It touchwin(win)	\*(lqchange\*(rq all of
.Em win
.It unctrl(ch)	printable version of
.Em ch
.It waddch(win,ch)	add char to
.Em win
.It waddstr(win,str)	add string to
.Em win
.It wclear(win)	clear
.Em win
.It wclrtobot(win)	clear to bottom of
.Em win
.It wclrtoeol(win)	clear to end of line on
.Em win
.It wdelch(win,c)	delete char from
.Em win
.It wdeleteln(win)	delete line from
.Em win
.It werase(win)	erase
.Em win
.It wgetch(win)	get a char through
.Em win
.It wgetstr(win,str)	get a string through
.Em win
.It winch(win)	get char at current (y,x) in
.Em win
.It winsch(win,c)	insert char into
.Em win
.It winsertln(win)	insert line into
.Em win
.It wmove(win,y,x)	set current (y,x) co-ordinates on
.Em win
.It wprintw(win,fmt,arg1,arg2,...)\ 	printf on
.Em win
.It wrefresh(win)	make screen look like
.Em win
.It wscanw(win,fmt,arg1,arg2,...)\ 	scanf through
.Em win
.It wstandend(win)	end standout mode on
.Em win
.It wstandout(win)	start standout mode on
.Em win
.El
.Sh HISTORY
The
.Nm
package appeared in 
.Bx 4.0 .