.\"	$NetBSD: form_userptr.3,v 1.5 2002/08/06 12:44:35 wiz 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.
.\"
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.\" modification, are permitted provided that the following conditions
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.\"    products derived from this software without specific prior written
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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.Dd January 1, 2001
.Dt FORMS 3
.Os
.Sh NAME
.Nm form_userptr ,
.Nm set_form_userptr
.Nd form library
.Sh LIBRARY
.Lb libform
.Sh SYNOPSIS
.Fd #include \*[Lt]form.h\*[Gt]
.Ft void *
.Fn form_userptr "FORM *form"
.Ft int
.Fn set_form_userptr "FORM *form" "void *ptr"
.Sh DESCRIPTION
The
.Fn form_userptr
function returns the pointer to the user defined data associated with
the form, this pointer may be set using the
.Fn set_form_userptr
call.
.Sh RETURN VALUES
Functions returning pointers will return NULL if an error is detected.
The functions that return an int will return one of the following error
values:
.Pp
.Bl -tag -width E_UNKNOWN_COMMAND -compact
.It Er E_OK
The function was successful.
.El
.Sh SEE ALSO
.Xr curses 3 ,
.Xr forms 3
.Sh NOTES
The header
.Pa \*[Lt]form.h\*[Gt]
automatically includes both
.Pa \*[Lt]curses.h\*[Gt]
and
.Pa \*[Lt]eti.h\*[Gt] .