php man page for install_sound_input

install_sound_input(3alleg4)					  Allegro manual				      install_sound_input(3alleg4)

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

SYNOPSIS
       #include <allegro.h>

       int install_sound_input(int digi, int midi);

DESCRIPTION
       Initialises  the sound recorder module. You must install the normal sound playback system before calling this routine. The two card parame-
       ters 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.

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

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

Allegro 							   version 4.4.2				      install_sound_input(3alleg4)