wsmux_get_layout
if (wsmux_sc != NULL && wsmux_get_layout(wsmux_sc) != KB_NONE)
layout = wsmux_get_layout(wsmux_sc);
if (wsmux_sc != NULL && wsmux_get_layout(wsmux_sc) != KB_NONE) {
layout = wsmux_get_layout(wsmux_sc);
if (wsmux_get_layout(wsmux_sc) == KB_NONE)
uint32_t wsmux_get_layout(struct wsmux_softc *);