+#define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45 /* Next DTLS handshake timeout to
+ * adjust socket timeouts */
+
+#ifndef OPENSSL_NO_SCTP
+/* SCTP stuff */
+#define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50
+#define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51
+#define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52
+#define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53
+#define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60
+#define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61
+#define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62
+#define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63
+#define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64
+#define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65
+#define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70
+#endif