_WINDOWS           27 lib/zlib/contrib/minizip/ioapi.h #if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
_WINDOWS           71 lib/zlib/zconf.h #if defined(_WINDOWS) && !defined(WINDOWS)
_WINDOWS           68 lib/zlib/zconf.in.h #if defined(_WINDOWS) && !defined(WINDOWS)