set_mouse_cursor_bitmap - Changes the image Allegro uses for mouse cursors.

       This  function  changes  the  cursor  image Allegro uses if select_mouse_cursor() is called but no native
       operating system cursor can be used, e.g. because you did not call enable_hardware_cursor().

       The cursor argument can be one of:

       MOUSE_CURSOR_ALLEGROMOUSE_CURSOR_ARROWMOUSE_CURSOR_BUSYMOUSE_CURSOR_QUESTIONMOUSE_CURSOR_EDIT

       but not MOUSE_CURSOR_NONE.

       The bmp argument can either point to a valid bitmap or it can be NULL.  Passing a  bitmap  makes  Allegro
       use  that  image in place of its own default substitution (should the operating system's native cursor be
       unavailable). The bitmap must remain available for the duration in which it could be used.  Passing  NULL
       lets Allegro revert to its default substitutions.

       The effect of this function will not be apparent until show_mouse() is called.

       set_mouse_cursor_bitmap - Changes the image Allegro uses for mouse cursors.

install_mouse(3alleg4),    show_mouse(3alleg4),   set_mouse_sprite(3alleg4),   gfx_capabilities(3alleg4),
       enable_hardware_cursor(3alleg4), show_os_cursor(3alleg4)

Allegro                                           version 4.4.3                 set_mouse_cursor_bitmap(3alleg4)

#include<allegro.h>voidset_mouse_cursor_bitmap(intcursor,BITMAP*bmp);