man voice_check () - Checks whether a voice is currently allocated. Allegro game programming library.
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).