[W]

[..]
  1. W32
  2. WIDE_CHAR_SUPPORT
  3. WIN32_LEAN_AND_MEAN
  4. WINDOWS_DIRENT_EMULATION
  5. WORDCHAR_P
  6. WRITE
  7. WR_BINTERNAL
  8. WR_BLEAF
  9. WR_RINTERNAL
  10. WR_RLEAF
  11. WTR
[..]