FIELD *
current_field(FORM *form)
int
field_index(FIELD *field)
int
form_page(FORM *form)
int
form_max_page(FORM *form)
int
set_current_field(FORM *form, FIELD *field)
int
set_form_page(FORM *form, int page)
)
returns a pointer to the structure for the field that is currently
active on the page.
If there is an error,
current_field()
will return
NULL.
Calling
field_index()
will return the index of the given field in the form field array.
The
current page the form is on can be determined by using
form_page(),
the current page of a form can be programmatically set by calling
set_form_page().
The maximum page number for a form can be found by
calling the function
form_max_page()
but note that this function is a
NetBSD
extension and must not be used in portable forms library programs.
The current field on the form may be set by calling
set_current_field()
which will set the current field to the one given.
NULL
if an error is detected.
The functions that return an int will return one of the following
error values:
E_OKE_BAD_ARGUMENTE_NOT_CONNECTEDE_BAD_STATEE_INVALID_FIELDform.h>
automatically includes both
<curses.h>
and
<eti.h>.
The form_max_page is a NetBSD extension and should not be used in portable applications.