sparc_bus_free
void (*sparc_bus_free)(bus_space_tag_t,
void sparc_bus_free(bus_space_tag_t, bus_space_tag_t, bus_space_handle_t,
.sparc_bus_free = sparc_bus_free,
_BS_PRECALL(t, sparc_bus_free);
_BS_CALL(t, sparc_bus_free)(t, t0, h, s);