192 struct copybit_device_t {  struct
204     int (*set_parameter)(struct copybit_device_t *dev, int name, int value);  argument
214     int (*get)(struct copybit_device_t *dev, int name);  argument
226     int (*blit)(struct copybit_device_t *dev,  argument
240     int (*set_sync)(struct copybit_device_t *dev,  argument
255     int (*stretch)(struct copybit_device_t *dev,  argument
272     int (*fill_color)(struct copybit_device_t *dev,  argument
284   int (*finish)(struct copybit_device_t *dev);  argument
295   int (*flush_get_fence)(struct copybit_device_t *dev, int* fd);  argument
299   int (*clear)(struct copybit_device_t *dev, struct copybit_image_t const *buf,  argument
307                                struct copybit_device_t** device) {  in copybit_open()
312 static inline int copybit_close(struct copybit_device_t* device) {  in copybit_close()