-void (*)(FORM *) field_term(const FORM *form);
-.br
-int set_form_init(FORM *form, void (*func)(FORM *));
-.br
-void (*)(FORM *) form_init(const FORM *form);
-.br
-int set_form_term(FORM *form, void (*func)(FORM *));
-.br
-void (*)(FORM *) form_term(const FORM *form);