_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)