# define OPENSSL_GLOBAL_REF(name) _shadow_##name
# endif
-# ifdef OPENSSL_SYS_MSDOS
-# define ossl_ssize_t long
+# ifdef _WIN32
+# ifdef _WIN64
+# define ossl_ssize_t __int64
+# else
+# define ossl_ssize_t int
+# endif
# endif
# if defined(__ultrix) && !defined(ssize_t)