SOL_MPTCP
if (level == SOL_MPTCP)
if (!ASSERT_OK(getsockopt(client_fd, SOL_MPTCP, MPTCP_INFO, &info, &optlen),
#ifndef SOL_MPTCP
err = getsockopt(fd, SOL_MPTCP, MPTCP_INFO, &subflows, &len);
#ifndef SOL_MPTCP
ret = getsockopt(fd, SOL_MPTCP, optname, &bd, &olen);
ret = getsockopt(fd, SOL_MPTCP, optname, &bd, &olen);
ret = getsockopt(fd, SOL_MPTCP, optname, &bd, &olen);
ret = getsockopt(fd, SOL_MPTCP, optname, &bd, &olen);
ret = getsockopt(fd, SOL_MPTCP, optname, &bd, &olen);
ret = getsockopt(fd, SOL_MPTCP, optname, &bd, &olen);
ret = getsockopt(fd, SOL_MPTCP, optname, &bd, &_olen);
#ifndef SOL_MPTCP
ret = getsockopt(fd, SOL_MPTCP, MPTCP_INFO, &i, &olen);
ret = getsockopt(fd, SOL_MPTCP, MPTCP_TCPINFO, &ti, &olen);
ret = getsockopt(fd, SOL_MPTCP, MPTCP_SUBFLOW_ADDRS, &addrs, &olen);
ret = getsockopt(fd, SOL_MPTCP, MPTCP_SUBFLOW_ADDRS, &addrs, &olen);
ret = getsockopt(fd, SOL_MPTCP, MPTCP_FULL_INFO, &mfi, &olen);