man/form_post.3x

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.\" $Id: form_post.3x,v 1.33 2024/03/16 15:35:01 tom Exp $
.TH form_post 3X 2024-03-16 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
.SH NAME
\fBpost_form\fP,
\fBunpost_form\fP \-
write or erase forms from associated subwindows
.SH SYNOPSIS
.nf
\fB#include <form.h>
.PP
\fBint post_form(FORM *\fIform\fP);
\fBint unpost_form(FORM *\fIform\fP);
.fi
.SH DESCRIPTION
The function \fBpost_form\fP displays a form to its associated subwindow.
To trigger physical display of the subwindow,
use \fBrefresh\fP(3X) or some equivalent
\fBcurses\fP routine (the implicit \fBdoupdate\fP triggered by an \fBcurses\fP
input request will do).
.PP
The function \fBunpost_form\fP erases form from its associated subwindow.
.SH RETURN VALUE
These routines return one of the following:
.TP 5
.B E_OK
The routine succeeded.
.TP 5
.B E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
.TP 5
.B E_BAD_STATE
Routine was called from an initialization or termination function.
.TP 5
.B E_NOT_POSTED
The form has not been posted.
.TP 5
.B E_NOT_CONNECTED
No items are connected to the form.
.TP 5
.B E_NO_ROOM
Form is too large for its window.
.TP 5
.B E_POSTED
The form has already been posted.
.TP 5
.B E_SYSTEM_ERROR
System error occurred (see \fBerrno\fP(3)).
.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.
.SH SEE ALSO
\fB\%curses\fP(3X),
\fB\%form\fP(3X)