- WAIT
- WAKEUP_CHARS
- WAS_RESET
- WAS_SENSE
- WAS_TIMEDOUT
- WD7000FASST
- WIN_DIAGNOSE
- WIN_FORMAT
- WIN_INIT
- WIN_READ
- WIN_RESTORE
- WIN_SEEK
- WIN_SPECIFY
- WIN_VERIFY
- WIN_WRITE
- WNOHANG
- WRERR_STAT
- WRITE
- WRITEA
- WRITE_10
- WRITE_6
- WRITE_VERIFY
- WUNTRACED
- Write_FIFO
- Write_Loopback
- Write_SCSI_Data