bus_space_read_stream_2
#define bus_space_read_stream_2(t, h, o) __bs_rs_s(2,(t), (h), (o))
#define bus_space_read_stream_2(t, h, o) __bs_rs(s_2,t,h,o)
#define bus_space_read_stream_2(t, h, o) __bs_rs_s(2,(t), (h), (o))
#define bus_space_read_stream_2 BUS_SAN(read_stream_2)
#define bus_space_read_stream_2(t, h, o) bus_space_read_2((t), (h), (o))