Provided by: allegro4-doc_4.4.3.1-4.1build3_all 

NAME
detect_digi_driver - Detects whether the specified digital sound device is available. Allegro game
programming library.
SYNOPSIS
#include <allegro.h>
int detect_digi_driver(int driver_id);
DESCRIPTION
Detects whether the specified digital sound device is available. This function must be called _before_
install_sound().
RETURN VALUE
Returns the maximum number of voices that the driver can provide, or zero if the hardware is not present.
SEE ALSO
install_sound(3alleg4), reserve_voices(3alleg4)
Allegro version 4.4.3 detect_digi_driver(3alleg4)