RGB_MAP - Stores an rgb map to accelerate conversions. Allegro game
programming library.
#include <allegro.h>
typedef struct RGB_MAP
unsigned char data[32][32][32];
Read chapter "Converting between color formats" for a description on
how to obtain/use this structure.
create_rgb_table(3alleg), ex3d(3alleg), excolmap(3alleg),
exrgbhsv(3alleg), exshade(3alleg), extrans(3alleg)