B3500000
{ 3500000, B3500000 },
{ 3500000, B3500000 },
{ 3500000, B3500000 }, { 4000000, B4000000 }, { -1, B0 }
"3500000", B3500000, \
"3500000", B3500000, 3500000,
{ 3500000, B3500000 },
{ B3500000, 3500000 },
{ B3500000, 3500000 },
"3500000", B3500000,
"3500000", B3500000, 3500000,
[B3500000] = { UNSUPPORTED }, /* 3500000 baud */
{"3500000", B3500000}, {"4000000", B4000000}, {"", 0}