# SdFat: Class Members - Functions

### - w -

- width() : ios_base
- wipe() : FatFileSystem , FatVolume
- write() : FatFile , File , MinimumSerial , PrintFile
- writeBlock() : BaseBlockDriver , SdioCard , SdioCardEX , SdSpiCard , SdSpiCardEX
- writeBlocks() : BaseBlockDriver , SdioCard , SdioCardEX , SdSpiCard , SdSpiCardEX
- writeData() : SdioCard , SdSpiCard
- writeStart() : SdioCard , SdSpiCard
- writeStop() : SdioCard , SdSpiCard