al_hide_mouse_cursor - Allegro 5 API

       Hide  the  mouse  cursor in the given display.  This has no effect on what the current mouse cursor looks
       like; it just makes it disappear.

       Returns true on success (or if the cursor already was hidden), false otherwise.

       al_hide_mouse_cursor - Allegro 5 API

al_show_mouse_cursor(3alleg5)

Allegro reference manual                                                           al_hide_mouse_cursor(3alleg5)

              #include <allegro5/allegro.h>

              bool al_hide_mouse_cursor(ALLEGRO_DISPLAY *display)