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       install_sound - Initialises the sound module. Allegro game programming library.


       #include <allegro.h>

       int install_sound(int digi, int midi, const char *cfg_path);


       Initialises the sound module. You should normally pass DIGI_AUTODETECT and MIDI_AUTODETECT
       as the driver parameters to this function,  in  which  case  Allegro  will  read  hardware
       settings  from  the  current  configuration file. This allows the user to select different
       values with the setup utility: see the config section for details. Alternatively, see  the
       platform  specific  documentation  for  a  list  of  the  available  drivers. The cfg_path
       parameter is only present for compatibility with previous versions of Allegro, and has  no
       effect on anything.


       Returns  zero  if  the sound is successfully installed, and -1 on failure.  If it fails it
       will store a description of the problem in allegro_error.


       remove_sound(3alleg4),        reserve_voices(3alleg4),        detect_digi_driver(3alleg4),
       detect_midi_driver(3alleg4),           set_volume(3alleg4),          play_sample(3alleg4),
       play_midi(3alleg4),       play_audio_stream(3alleg4),        install_sound_input(3alleg4),
       allegro_error(3alleg4),  set_mixer_quality(3alleg4),  exmidi(3alleg4),  exsample(3alleg4),
       exsprite(3alleg4), exstream(3alleg4)