chn_getcaps
caps = chn_getcaps(c);
caps = chn_getcaps(c);
fmtlist = chn_getcaps(c)->fmtlist;
caps = chn_getcaps(c);
struct pcmchan_caps *chn_getcaps(struct pcm_channel *c);
caps = chn_getcaps(ch);
caps = chn_getcaps(ch);
rcaps = chn_getcaps(rdch);
pcaps = chn_getcaps(wrch);
caps = chn_getcaps(c);
parent_caps = chn_getcaps(parent);
fmtlist = chn_getcaps(p)->fmtlist;
caps = chn_getcaps(c);