Provided by: allegro5-doc_5.0.11-2_all 

NAME
al_ungrab_mouse - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro.h>
bool al_ungrab_mouse(void)
DESCRIPTION
Stop confining the mouse cursor to any display belonging to the program.
Note: not yet implemented on Mac OS X.
SEE ALSO
al_grab_mouse(3alleg5)
al_ungrab_mouse(3alleg5) Allegro reference manual()