U0 SubSwitch()
{
  I64 i;
  for (i=0; i<10; i++)
    switch (i)
    {
    case 0: "Zero "
      ;
      break;
    case 2: "Two "
      ;
      break;
    case 4: "Four "
      ;
      break;
start:
      "["
      ;
    case 1: "One"
      ;
      break;
    case 3: "Three"
      ;
      break;
    case 5: "Five"
      ;
      break;
end:
      "] "
      ;
      break;
    }
  '\n';
}

SubSwitch;