};
/* keyboard */
-HangulKeyboard* hangul_keyboard_new();
+HangulKeyboard* hangul_keyboard_new(void);
void hangul_keyboard_delete(HangulKeyboard *keyboard);
void hangul_keyboard_set_value(HangulKeyboard *keyboard,
int key, ucschar value);
void hangul_keyboard_set_type(HangulKeyboard *keyboard, int type);
/* combination */
-HangulCombination* hangul_combination_new();
+HangulCombination* hangul_combination_new(void);
void hangul_combination_delete(HangulCombination *combination);
bool hangul_combination_set_data(HangulCombination* combination,
ucschar* first, ucschar* second, ucschar* result, unsigned int n);