mptcp_local_address
mptcp_local_address(skc, &cur);
mptcp_local_address((struct sock_common *)sk, &saddr);
mptcp_local_address((struct sock_common *)ssk, &local);
mptcp_local_address((struct sock_common *)msk, &msk_local);
mptcp_local_address((struct sock_common *)skc, &skc_local.addr);
mptcp_local_address((struct sock_common *)skc, &skc_local);
mptcp_local_address((struct sock_common *)msk, &msk_local);
mptcp_local_address((struct sock_common *)msk->first, &mpc_addr);
mptcp_local_address((struct sock_common *)msk, &mpc_addr);
void mptcp_local_address(const struct sock_common *skc,