-/* client methods */
-int dtls1_client_hello(SSL *s);
-int dtls1_send_client_certificate(SSL *s);
-int dtls1_send_client_key_exchange(SSL *s);
-int dtls1_send_client_verify(SSL *s);
-
-
-/* server methods */
-int dtls1_send_hello_request(SSL *s);
-int dtls1_send_server_hello(SSL *s);
-int dtls1_send_server_certificate(SSL *s);
-int dtls1_send_server_key_exchange(SSL *s);
-int dtls1_send_certificate_request(SSL *s);
-int dtls1_send_server_done(SSL *s);
-
-/* common methods */
-int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
-int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
-unsigned long dtls1_output_cert_chain(SSL *s, X509 *x);
-int dtls1_read_failed(SSL *s, int code);
-int dtls1_buffer_message(SSL *s, int ccs);
-int dtls1_retransmit_message(SSL *s, unsigned short seq,
- unsigned long frag_off, int *found);
-void dtls1_clear_record_buffer(SSL *s);
-void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
-void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
-void dtls1_reset_seq_numbers(SSL *s, int rw);