-ssize_t tcpm_send_token(int, int, char **, const void *, size_t);
-ssize_t tcpm_recv_token(int, int *, char **, char **, ssize_t *, int);
+ssize_t tcpm_send_token(struct tcp_conn *, int, int, char **, const void *, size_t);
+ssize_t tcpm_recv_token(struct tcp_conn *, int, int *, char **, char **, ssize_t *, int);