+/* --------------------------------- VOS ----------------------------------- */
+#ifdef OPENSSL_SYSNAME_VOS
+# define OPENSSL_SYS_VOS
+#endif
+
+/* ------------------------------- VxWorks --------------------------------- */
+#ifdef OPENSSL_SYSNAME_VXWORKS
+# define OPENSSL_SYS_VXWORKS
+#endif
+
+/* --------------------------------- BeOS ---------------------------------- */
+#if defined(__BEOS__)
+# define OPENSSL_SYS_BEOS
+# include <sys/socket.h>
+# if defined(BONE_VERSION)
+# define OPENSSL_SYS_BEOS_BONE
+# else
+# define OPENSSL_SYS_BEOS_R5
+# endif
+#endif
+