Here are the data structures with brief descriptions:

aes128_ccm_t
dtls_cipher_context_t
dtls_context_t
dtls_ecdsa_key_t
dtls_handler_t
dtls_handshake_parameters_ecdsa_t
dtls_handshake_parameters_psk_t
dtls_handshake_parameters_t
dtls_hmac_context_t
dtls_hs_state_t
dtls_peer_t
dtls_security_parameters_t
list
netq_t
session_t
UT_hash_bucket
UT_hash_handle
UT_hash_table