[W]

[..]
  1. WAIT
  2. WAKEUP_CHARS
  3. WAS_RESET
  4. WAS_SENSE
  5. WAS_TIMEDOUT
  6. WD7000FASST
  7. WIN_DIAGNOSE
  8. WIN_FORMAT
  9. WIN_INIT
  10. WIN_READ
  11. WIN_RESTORE
  12. WIN_SEEK
  13. WIN_SPECIFY
  14. WIN_VERIFY
  15. WIN_WRITE
  16. WNOHANG
  17. WRERR_STAT
  18. WRITE
  19. WRITEA
  20. WRITE_10
  21. WRITE_6
  22. WRITE_VERIFY
  23. WUNTRACED
  24. Write_FIFO
  25. Write_Loopback
  26. Write_SCSI_Data
[..]