snd_chan
TAILQ_HEAD(, snd_chan) chans;
#define F(member) offsetof(struct snd_chan, member)
struct snd_chan *ch;
if ((ch = calloc(1, sizeof(struct snd_chan))) == NULL)
struct snd_chan *ch;
print_chan_ctl(struct snd_chan *ch, struct snd_ctl *ctl, bool simple,
struct snd_chan *ch;
TAILQ_ENTRY(snd_chan) next;
struct snd_chan *ch;