DESCRIPTION
The function set_current field sets the current field of the given form; current_field returns the current field of the given form. The function set_form_page sets the form’s page number (goes to page n of the form).
The function form_page returns the form’s current page number.
The function field_index returns the index of the field in the field array of the form it is connected to. It returns ERR if the argument is the null pointer or the field is not connected.
RETURN VALUE
Except for form_page, each routine returns one of the following:
