start_sound_input - Starts recording in the specified format. Allegro game
programming library.
#include <allegro.h>
int start_sound_input(int rate, int bits, int stereo);
Starts recording in the specified format, suspending audio playback as necessary
if the card is not full duplex.
Returns the buffer size in bytes if successful, or zero on error.
install_sound_input(3), read_sound_input(3),
stop_sound_input(3), digi_recorder(3),
set_sound_input_source(3), get_sound_input_cap_parm(3),
get_sound_input_cap_bits(3), get_sound_input_cap_rate(3),
get_sound_input_cap_stereo(3)