sndbuf_getfmt
u_int32_t sndbuf_getfmt(struct snd_dbuf *b);
sndbuf_getfmt(c->bufhard));
sndbuf_zerodata(sndbuf_getfmt(src)),
sndbuf_zerodata(sndbuf_getfmt(src)),
if (c->format != sndbuf_getfmt(c->bufhard)) \
sndbuf_getfmt(c->bufhard)); \
sndbuf_getfmt((c)->bufhard) != (c)->parentchannel->format || \