mouse_sprite man page
mouse_sprite, mouse_x_focus, mouse_y_focus — Global variable with the mouse sprite and focus point. Allegro game programming library.
extern BITMAP *mouse_sprite;
extern int mouse_x_focus;
extern int mouse_y_focus;
Global variables containing the current mouse sprite and the focus point. These are read-only, and only to be modified using the set_mouse_sprite() and set_mouse_sprite_focus() functions.
mouse_x_focus(3) and mouse_y_focus(3) are aliases of mouse_sprite(3).