extern NCURSES_EXPORT(int) set_form_userptr (FORM *,void *);
extern NCURSES_EXPORT(int) set_form_opts (FORM *,Form_Options);
extern NCURSES_EXPORT(int) form_opts_on (FORM *,Form_Options);
extern NCURSES_EXPORT(int) set_form_userptr (FORM *,void *);
extern NCURSES_EXPORT(int) set_form_opts (FORM *,Form_Options);
extern NCURSES_EXPORT(int) form_opts_on (FORM *,Form_Options);