* work. Therefore, all ZLIB routines are loaded at run time
* and we do not link to a .LIB file.
*/
-#if defined(WINDOWS) || defined(WIN32)
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
# include <windows.h>
# define Z_CALLCONV _stdcall
# define ZLIB_SHARED
#else
# define Z_CALLCONV
-#endif /* !(WINDOWS || WIN32) */
+#endif /* !(OPENSSL_SYS_WINDOWS || OPENSSL_SYS_WIN32) */
#ifdef ZLIB_SHARED
#include <openssl/dso.h>
#ifdef ZLIB_SHARED
if (!zlib_loaded)
{
-#if defined(WINDOWS) || defined(WIN32)
+#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
zlib_dso = DSO_load(NULL, "ZLIB", NULL, 0);
#else
zlib_dso = DSO_load(NULL, "z", NULL, 0);