FORM_PAGE(3)            NetBSD Library Functions Manual           FORM_PAGE(3)

NAME
     current_field, field_index, form_page, form_max_page, set_current_field,
     set_form_page -- form library

LIBRARY
     Curses Form Library (libform, -lform)

SYNOPSIS
     #include <form.h>

     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);

DESCRIPTION
     The current_field() 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.

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:

     E_OK               The function was successful.
     E_BAD_ARGUMENT     The function was passed a bad argument.
     E_NOT_CONNECTED    The given field is not associated with a form.
     E_BAD_STATE        The function was called from within an init or term
                        function.
     E_INVALID_FIELD    The field given is not part of the given form.

SEE ALSO
     curses(3), forms(3)

NOTES
     The header <form.h> automatically includes both <curses.h> and <eti.h>.

     The form_max_page is a NetBSD extension and should not be used in porta-
     ble applications.

NetBSD 5.0.1                    January 1, 2001                   NetBSD 5.0.1

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