debian man page for voice_check

voice_check(3alleg4)						  Allegro manual					      voice_check(3alleg4)

NAME
       voice_check - Checks whether a voice is currently allocated. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

       SAMPLE *voice_check(int voice);

DESCRIPTION
       Checks whether a voice is currently allocated.

RETURN VALUE
       Returns	a  pointer  to	the  sample  that  the	voice  is  using,  or  NULL  if the voice is inactive (ie. it has been deallocated, or the
       release_voice() function has been called and the sample has then finished playing).

SEE ALSO
       allocate_voice(3alleg4), voice_start(3alleg4), voice_get_position(3alleg4)

Allegro 							   version 4.4.2					      voice_check(3alleg4)