COLOR_MAP (3) - Linux Manuals
COLOR_MAP: Stores a color map to accelerate drawing. Allegro game programming library.
Command to display COLOR_MAP manual in Linux: $ man 3 COLOR_MAP
NAME
COLOR_MAP - Stores a color map to accelerate drawing. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
typedef struct COLOR_MAP
DESCRIPTION
unsigned char data[PAL_SIZE][PAL_SIZE];
Read chapter "Transparency and patterned drawing", section "256-color
transparency" for a description on how to obtain/use this structure.