+# define OPENSSL_SYS_WIN32_CYGWIN
+# else
+# if defined(_WIN32) || defined(OPENSSL_SYSNAME_WIN32)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_WIN32
+# endif
+# if defined(OPENSSL_SYSNAME_WINNT)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_WINNT
+# endif
+# if defined(OPENSSL_SYSNAME_WINCE)
+# undef OPENSSL_SYS_UNIX
+# define OPENSSL_SYS_WINCE
+# endif