unifdef -UHAVE_DOSISH_SYSTEM -U__riscos__ -UHAVE_DRIVE_LETTERS -UHAVE_W32_SYSTEM -UUSE_ZLIBRISCOS -UHAVE_W32CE_SYSTEM -U__MINGW32CE__ -U_WIN32 -U__BEOS__ -U_MSC_VER -UUSE_W32_CONSOLE