61 struct helper {  struct
62     int                     s_fd;
63     BIO                     *s_net_bio, *s_net_bio_own, *s_qtf_wbio, *s_qtf_wbio_own;
65     BIO_ADDR                *s_net_bio_orig_addr;
67     BIO_ADDR                *s_net_bio_addr;
73     QUIC_TSERVER            *s, *s_priv;
76     int                     c_fd;
77     BIO                     *c_net_bio, *c_net_bio_own;
78     SSL_CTX                 *c_ctx;
79     SSL                     *c_conn;
104     int (*qtf_packet_plain_cb)(struct helper *h, QUIC_PKT_HDR *hdr,  argument
106     int (*qtf_handshake_cb)(struct helper *h,  argument
108     int (*qtf_datagram_cb)(struct helper *h,  argument
124     struct helper           *h;  argument