'\" t
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.\" $Id: form_new.3x,v 1.9 2010/12/04 18:40:45 tom Exp $
.TH form_new 3X ""
.SH NAME
\fBform_new\fR \- create and destroy forms
.SH SYNOPSIS
\fB#include <form.h>\fR
.br
FORM *new_form(FIELD **fields);
.br
int free_form(FORM *form);
.br
.SH DESCRIPTION
The function \fBnew_form\fR creates a new form connected to a specified field
pointer array (which must be \fBNULL\fR-terminated).
.PP
The function \fBfree_form\fR disconnects \fIform\fR from its field array
and frees the storage allocated for the form.
.SH RETURN VALUE
The function \fBnew_form\fR returns \fBNULL\fR on error.
It sets errno according to the function's success:
.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_CONNECTED
The field is already connected to a form.
.TP 5
.B E_SYSTEM_ERROR
System error occurred, e.g., malloc failure.
.PP
The function \fBfree_form\fR returns 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_POSTED
The form has already been posted.
.SH SEE ALSO
\fBcurses\fR(3X), \fBform\fR(3X).
.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.