Faster version of line(). allegro game programming library.
#include <allegro.h>
void fastline(BITMAP *bmp, int x1, int y1, int x2, int y2, int color);
Faster version of the previous function. Note that pixel correctness is not guaranteed for this function.
line(3alleg4), hline(3alleg4), vline(3alleg4), do_line(3alleg4), drawing_mode(3alleg4), makecol(3alleg4)