Guilherme wrote: > I studing the aplay program and there is a function that I can't find in > any header. > Ive tried asound.h and asoundlib.h among other but without success! > [...] > Where is the snd_card_next() function? $ grep snd_card_next /usr/include/alsa/* /usr/include/alsa/control.h:int snd_card_next(int *card); HTH Clemens