debian man page for set_sound_input_source

set_sound_input_source(3alleg4) 				  Allegro manual				   set_sound_input_source(3alleg4)

NAME
       set_sound_input_source - Selects the audio input source. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       int set_sound_input_source(int source);

DESCRIPTION
       Selects the audio input source. The parameter should be one of the values:

	  SOUND_INPUT_MIC
	  SOUND_INPUT_LINE
	  SOUND_INPUT_CD

RETURN VALUE
       The  function  returns  zero  on success, or -1 if the hardware does not provide an input select register (ie. you have no control over the
       input source).

SEE ALSO
       start_sound_input(3alleg4)

Allegro 							   version 4.4.2				   set_sound_input_source(3alleg4)