{
#endif
-void bgr555_to_rgb565(void *dst, void *src, int bytes);
-void bgr888_to_rgb888(void *dst, void *src, int bytes);
-void bgr888_to_rgb565(void *dst, void *src, int bytes);
+void bgr555_to_rgb565(void *dst, const void *src, int bytes);
+void bgr888_to_rgb888(void *dst, const void *src, int bytes);
+void bgr888_to_rgb565(void *dst, const void *src, int bytes);
#ifdef __cplusplus
}