geta32(3) Allegro manual geta32(3)NAMEgeta32 - Extract the alpha component form a 32-bit pixel format color.
Allegro game programming library.
SYNOPSIS
#include <allegro.h>
int geta32(int c);
DESCRIPTION
Given a color in a 32-bit pixel format, this function extracts the
alpha component (ranging 0-255).
SEE ALSOgetr8(3)Allegro version 4.4.2 geta32(3)