-#define BIO_R_NBIO_CONNECT_ERROR 109
-#define BIO_R_NO_ACCEPT_PORT_SPECIFIED 110
-#define BIO_R_NO_HOSTHNAME_SPECIFIED 111
-#define BIO_R_NO_PORT_DEFINED 112
-#define BIO_R_NO_PORT_SPECIFIED 113
-#define BIO_R_NULL_PARAMETER 114
-#define BIO_R_UNABLE_TO_BIND_SOCKET 115
-#define BIO_R_UNABLE_TO_CREATE_SOCKET 116
-#define BIO_R_UNABLE_TO_LISTEN_SOCKET 117
-#define BIO_R_UNINITALISED 118
-#define BIO_R_UNSUPPORTED_METHOD 119
-#define BIO_R_WSASTARTUP 120
+#define BIO_R_KEEPALIVE 109
+#define BIO_R_NBIO_CONNECT_ERROR 110
+#define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
+#define BIO_R_NO_HOSTHNAME_SPECIFIED 112
+#define BIO_R_NO_PORT_DEFINED 113
+#define BIO_R_NO_PORT_SPECIFIED 114
+#define BIO_R_NULL_PARAMETER 115
+#define BIO_R_UNABLE_TO_BIND_SOCKET 116
+#define BIO_R_UNABLE_TO_CREATE_SOCKET 117
+#define BIO_R_UNABLE_TO_LISTEN_SOCKET 118
+#define BIO_R_UNINITALISED 119
+#define BIO_R_UNSUPPORTED_METHOD 120
+#define BIO_R_WSASTARTUP 121