install_sound_input - Initialises the sound recorder module. Allegro game programming library.

       Initialises  the  sound recorder module. You must install the normal sound playback system before calling
       this routine. The two card parameters  should  use  the  same  constants  as  install_sound(),  including
       DIGI_NONE  and  MIDI_NONE to disable parts of the module, or DIGI_AUTODETECT and MIDI_AUTODETECT to guess
       the hardware.

       install_sound_input - Initialises the sound recorder module. Allegro game programming library.

       This function returns zero on success, and any other value if the machine or driver doesn't support sound
       recording.

install_sound(3alleg4), start_sound_input(3alleg4), midi_recorder(3alleg4)

Allegro                                           version 4.4.3                     install_sound_input(3alleg4)

#include<allegro.h>intinstall_sound_input(intdigi,intmidi);