55void wsx_planar_unpack(
void __far* dest, uint16_t src_length,
const void __far* src, uint16_t mode);
void wsx_planar_unpack(void __far *dest, uint16_t src_length, const void __far *src, uint16_t mode)
Unpack a lower-bitdepth planar image to a higher bitdepth.