gftty_config
gftty_init_config(struct gftty_config *c, bus_space_tag_t bst,
struct gftty_config *c = kmem_zalloc(sizeof(*c), KM_SLEEP);
gftty_set_buffer(struct gftty_config *c, bus_addr_t addr, bus_size_t size)
struct gftty_config * const c = &gftty_cnconfig;
static struct gftty_config gftty_cnconfig;
struct gftty_config *sc_config;