94 lines
2.7 KiB
Groff
94 lines
2.7 KiB
Groff
.\" $NetBSD: curses_fileio.3,v 1.4 2010/12/09 11:21:49 njoly Exp $
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.\" Copyright (c) 2008 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Julian Coleman.
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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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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd March 31, 2008
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.Dt CURSES_FILEIO 3
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.Os
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.Sh NAME
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.Nm curses_fileio ,
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.Nm getwin ,
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.Nm putwin
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.Nd curses file input/output 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 WINDOW *
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.Fn getwin "FILE *fp"
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.Ft int
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.Fn putwin "WINDOW *win" "FILE *fp"
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.Sh DESCRIPTION
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These functions read and write data to and from files.
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.Pp
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The
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.Fn getwin
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function reads window data that has been stored in the file to which
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.Fa fp
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points, and then creates a new window using that data.
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.Pp
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The
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.Fn putwin
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function writes window data from the window
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.Fa win
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to the file pointed to by
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.Fa fp .
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.Sh RETURN VALUES
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The
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.Fn getwin
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function returns one of the following 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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.Pp
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The
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.Fn putwin
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function returns
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.Dv NULL
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if an error is detected.
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.Sh SEE ALSO
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.Xr curses_window 3 ,
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.Xr fread 3 ,
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.Xr fwrite 3
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.Sh NOTES
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Subwindows can not be created by the
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.Fn getwin
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function, nor written by the
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.Fn putwin
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function.
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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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These functions first appeared in
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.Nx 5.0 .
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