NetBSD/lib/libform/form_data.3

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2001-07-08 16:10:28 +04:00
.\" $NetBSD: form_data.3,v 1.1 2001/07/08 12:10:28 blymn Exp $
.\"
.\" Copyright (c) 2001
.\" Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au
.\"
.\" This code is donated to The NetBSD Foundation by the author.
.\"
.\" 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. The name of the Author may not be used to endorse or promote
.\" products derived from this software without specific prior written
.\" permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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
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.\" SUCH DAMAGE.
.\"
.Dd January, 2001
.Dt FORM_DATA 3
.Os
.Sh NAME
.Nm form
.Nd form library
.Sh LIBRARY
.Lb libform
.Sh SYNOPSIS
.Fd #include <form.h>
.Ft int
.Fn data_ahead "FORM *form"
.Ft int
.Fn data_behind "FORM *form"
.Sh DESCRIPTION
If there is data offscreen to the right of the current field of the
given form then
.Fn data_ahead
will return TRUE, otherwise FALSE is returned. Similarly, if there is
data offscreen to the left of the current field of the given form then
.Fn data_behind
will return TRUE.
.Sh RETURN VALUES
If the condition is met then the functions will return TRUE, if there
is an error or there is no data offscreen the functions will return
FALSE.
.Sh SEE ALSO
.Xr curses 3 ,
.Xr forms 3
.Sh NOTES
The header
.Pa <form.h>
automatically includes both
.Pa <curses.h>
and
.Pa <eti.h> .