set_mouse_sprite_focus - Sets the mouse sprite focus. Allegro game
programming library.
#include <allegro.h>
void set_mouse_sprite_focus(int x, int y);
The mouse focus is the bit of the pointer that represents the actual
mouse position, ie. the (mouse_x, mouse_y) position. By default this is
the top left corner of the arrow, but if you are using a different
mouse pointer you might need to alter it.
set_mouse_sprite(3alleg), exmouse(3alleg)