message: Add CTL_CODE as a function
  It'll be const in winapi 0.4
diff: @@ -142,6 +142,14 @@ pub const FILE_DEVICE_STORAGE_REPLICATION: DEVICE_TYPE = 0x00000055;
  pub const FILE_DEVICE_TRUST_ENV: DEVICE_TYPE = 0x00000056;
  pub const FILE_DEVICE_UCM: DEVICE_TYPE = 0x00000057;
  pub const FILE_DEVICE_UCMTCPCI: DEVICE_TYPE = 0x00000058;
  +pub fn CTL_CODE(
  + DeviceType: DWORD,
  + Function: DWORD,
  + Method: DWORD,
  + Access: DWORD,
  +) -> DWORD {
  + (DeviceType << 16) | (Access << 14) | (Function << 2) | Method
  +}
  //288
  pub const METHOD_BUFFERED: DWORD = 0;
  pub const METHOD_IN_DIRECT: DWORD = 1;
  