detect_digi_driver - Detects whether the specified digital sound device is available. Allegro game

       Detects whether the specified digital sound device is available. This function must  be  called  _before_
       install_sound().

       detect_digi_driver  -  Detects  whether  the  specified  digital  sound device is available. Allegro game
       programming library.

       Returns the maximum number of voices that the driver can provide, or zero if the hardware is not present.

install_sound(3alleg4), reserve_voices(3alleg4)

Allegro                                           version 4.4.3                      detect_digi_driver(3alleg4)

#include<allegro.h>intdetect_digi_driver(intdriver_id);