115 lines
3.2 KiB
Groff
115 lines
3.2 KiB
Groff
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.\" $NetBSD: curses_scanw.3,v 1.5 2003/04/16 13:35:01 wiz Exp $
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.\"
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.\" Copyright (c) 2002
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.\" Brett Lymn (blymn@NetBSD.org, brett_lymn@yahoo.com.au)
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.\"
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.\" This code is donated to the NetBSD Foundation by the Author.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the Author may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\"
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.Dd August 12, 2002
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.Dt CURSES_SCANW 3
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.Os
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.Sh NAME
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.Nm curses_scanw ,
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.Nm scanw ,
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.Nm wscanw ,
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.Nm mvscanw ,
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.Nm mvwscanw
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.Nd curses read formatted data from screen routines
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.Sh LIBRARY
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.Lb libcurses
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.Sh SYNOPSIS
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.In curses.h
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.Ft int
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.Fn scanw "const char *fmt" "..."
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.Ft int
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.Fn wscanw "WINDOW *win" "const char *fmt" "..."
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.Ft int
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.Fn mvscanw "int y" "int x" "const char *fmt" "..."
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.Ft int
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.Fn mvwscanw "WINDOW *win" "int y" "int x" "const char *fmt" "..."
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.Sh DESCRIPTION
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These functions read formatted data from
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.Dv stdscr
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or from the specified window.
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.Pp
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The
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.Fn scanw
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function is the same as the
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.Fn scanf
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function, excepting that the input data stream is read from the current
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cursor position on
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.Dv stdscr ,
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.Pp
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The
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.Fn wscanw
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function is the same
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as the
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.Fn scanw
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function, excepting that the data stream is read from the window specified by
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.Fa win .
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.Pp
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The
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.Fn mvscanw
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and
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.Fn mvwscanw
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functions are the same as the
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.Fn scanw
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and
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.Fn mvscanw
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functions, respectively, excepting that
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.Fn wmove
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is called to move the cursor to the position specified by
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.Fa y ,
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.Fa x
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before the data is read from the window.
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.Sh RETURN VALUES
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Functions returning pointers will return
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.Dv NULL
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if an error is detected.
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The functions that return an int will return one of the following
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values:
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.Pp
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.Bl -tag -width ERR -compact
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.It Er OK
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The function completed successfully.
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.It Er ERR
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An error occurred in the function.
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.El
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.Sh SEE ALSO
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.Xr curses_cursor 3 ,
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.Xr curses_print 3 ,
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.Xr scanf 3
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.Sh STANDARDS
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The
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.Nx
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Curses library complies with the X/Open Curses specification, part of the
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Single Unix Specification.
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.Sh HISTORY
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The Curses package appeared in
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.Bx 4.0 .
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