typedef uint8_t (*sd_raw_read_interval_handler_t)(uint8_t* buffer, offset_t offset, void* p);
typedef uintptr_t (*sd_raw_write_interval_handler_t)(uint8_t* buffer, offset_t offset, void* p);
-uint8_t sd_raw_init();
-uint8_t sd_raw_available();
-uint8_t sd_raw_locked();
+uint8_t sd_raw_init(void);
+uint8_t sd_raw_available(void);
+uint8_t sd_raw_locked(void);
uint8_t sd_raw_read(offset_t offset, uint8_t* buffer, uintptr_t length);
uint8_t sd_raw_read_interval(offset_t offset, uint8_t* buffer, uintptr_t interval, uintptr_t length, sd_raw_read_interval_handler_t callback, void* p);
uint8_t sd_raw_write(offset_t offset, const uint8_t* buffer, uintptr_t length);
uint8_t sd_raw_write_interval(offset_t offset, uint8_t* buffer, uintptr_t length, sd_raw_write_interval_handler_t callback, void* p);
-uint8_t sd_raw_sync();
+uint8_t sd_raw_sync(void);
uint8_t sd_raw_get_info(struct sd_raw_info* info);