haud_buffer_header
haud_dsp_buffer_header_t *hdr = haud_buffer_header(buf);
haud_dsp_buffer_header_t *hdr = haud_buffer_header(buf);
haud_dsp_buffer_header_t *hdr = haud_buffer_header(buf);
haud_dsp_buffer_header_t *hdr = haud_buffer_header(buf);
haud_dsp_buffer_header_t *hdr = haud_buffer_header(buf);
req.buf_off = sizeof(*haud_buffer_header(buf));
haud_buffer_header(sc->sc_cmd_req)->head = 0;
haud_buffer_header(sc->sc_cmd_req)->tail = 0;
haud_buffer_header(sc->sc_cmd_req)->intr = 0;
haud_buffer_header(sc->sc_cmd_req)->watr = 0;
haud_buffer_header(sc->sc_cmd_resp)->head = 0;
haud_buffer_header(sc->sc_cmd_resp)->tail = 0;
haud_buffer_header(sc->sc_cmd_resp)->intr = 0;
haud_buffer_header(sc->sc_cmd_resp)->watr = 0;
haud_buffer_header(buf)->intr = 0;