-extern void (*rgb24to16) (const uint8_t *src, uint8_t *dst, int src_size);
-extern void (*rgb24to15) (const uint8_t *src, uint8_t *dst, int src_size);
-extern void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size);
+extern void (*rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size);
+extern void (*rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size);