int set_field_init(FORM *form, void (*func)(FORM *));
void (*)(FORM *) field_init(const FORM *form);
int set_field_term(FORM *form, void (*func)(FORM *));
int set_field_init(FORM *form, void (*func)(FORM *));
void (*)(FORM *) field_init(const FORM *form);
int set_field_term(FORM *form, void (*func)(FORM *));