wscons_syncops
wsscreen_attach_sync(struct wsscreen *scr, const struct wscons_syncops *ops,
const struct wscons_syncops *ops, /* used as ID */
const struct wscons_syncops *scr_syncops;
static const struct wscons_syncops usl_syncops = {
const struct wscons_syncops *, void *);
const struct wscons_syncops *, void **);