dtls1_set_message_header_int
dtls1_set_message_header_int(s, frag->msg_header.type,
dtls1_set_message_header_int(s, mt, len, s->d1->handshake_write_seq,
dtls1_set_message_header_int(s, SSL3_MT_CCS, 0,
static void dtls1_set_message_header_int(SSL_CONNECTION *s, unsigned char mt,