# ifdef FAR
# undef FAR
# endif
+# ifndef WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+# endif
# include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */
# undef _LARGEFILE64_SOURCE
#endif
-#if defined(__WATCOMC__) && !defined(Z_HAVE_UNISTD_H)
-# define Z_HAVE_UNISTD_H
+#ifndef Z_HAVE_UNISTD_H
+# ifdef __WATCOMC__
+# define Z_HAVE_UNISTD_H
+# endif
+#endif
+#ifndef Z_HAVE_UNISTD_H
+# if defined(_LARGEFILE64_SOURCE) && !defined(_WIN32)
+# define Z_HAVE_UNISTD_H
+# endif
#endif
#ifndef Z_SOLO
-# if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
+# if defined(Z_HAVE_UNISTD_H)
# include <unistd.h> /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
# ifdef VMS
# include <unixio.h> /* for off_t */