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'\" t
.\" $OpenBSD: form_field_buffer.3,v 1.8 1999/01/22 03:30:53 millert Exp $
.\"
.\"***************************************************************************
.\" Copyright (c) 1998 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" "Software"), to deal in the Software without restriction, including *
.\" without limitation the rights to use, copy, modify, merge, publish, *
.\" distribute, distribute with modifications, sublicense, and/or sell *
.\" copies of the Software, and to permit persons to whom the Software is *
.\" furnished to do so, subject to the following conditions: *
.\" *
.\" The above copyright notice and this permission notice shall be included *
.\" in all copies or substantial portions of the Software. *
.\" *
.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
.\" *
.\" Except as contained in this notice, the name(s) of the above copyright *
.\" holders shall not be used in advertising or otherwise to promote the *
.\" sale, use or other dealings in this Software without prior written *
.\" authorization. *
.\"***************************************************************************
.\"
.\" $From: form_field_buffer.3x,v 1.6 1998/11/29 01:06:10 Rick.Ohnemus Exp $
.TH form_field_buffer 3 ""
.SH NAME
\fBform_field_buffer\fR - field buffer control
.SH SYNOPSIS
\fB#include <form.h>\fR
.br
int set_field_buffer(FIELD *field, int buf, const char *value);
.br
char *field_buffer(const FIELD *field, int buffer);
.br
int set_field_status(FIELD *field, bool status);
.br
bool field_status(const FIELD *field);
.br
int set_max_field(FIELD *field, int max);
.br
.SH DESCRIPTION
The function \fBset_field_buffer\fR sets the numbered buffer of the given field
to contain a given string. Buffer 0 is the displayed value of the field; other
numbered buffers may be allocated by applications through the \fBnbuf\fR
argument of (see \fBform_field_new\fR(3)) but are not manipulated by the forms
library. The function \fBfield_buffer\fR returns the foreground attribute.
The function \fBset_field_status\fR sets the associated status flag of
\fIfield\fR; \fBfield_status\fR gets the current value. The status flag
is set to a nonzero value whenever the field changes.
The function \fBset_max_field\fR sets the maximum size for a dynamic field.
An argument of 0 turns off any maximum size threshold for that field.
.SH RETURN VALUE
The \fBfield_buffer\fR function returns NULL on error.
The \fBfield_status\fR function returns \fBTRUE\fR or \fBFALSE\fR.
The remaining routines return one of the following:
.TP 5
\fBE_OK\fR
The routine succeeded.
.TP 5
\fBE_SYSTEM_ERROR\fR
System error occurred (see \fBerrno\fR).
.TP 5
\fBE_BAD_ARGUMENT\fR
Routine detected an incorrect or out-of-range argument.
.SH SEE ALSO
\fBcurses\fR(3) and 3 pages whose names begin with "form_" for detailed
descriptions of the entry points.
.SH NOTES
The header file \fB<form.h>\fR automatically includes the header file
\fB<curses.h>\fR.
.SH PORTABILITY
These routines emulate the System V forms library. They were not supported on
Version 7 or BSD versions.
.SH AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
S. Raymond.
.\"#
.\"# The following sets edit modes for GNU EMACS
.\"# Local Variables:
.\"# mode:nroff
.\"# fill-column:79
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