SERV_GET_INT
SERV_GET_INT(server_count, o);
SERV_GET_INT(tcp_count, o);
SERV_GET_INT(tcp_query_count, o);
SERV_GET_INT(tcp_timeout, o);
SERV_GET_INT(tcp_mss, o);
SERV_GET_INT(outgoing_tcp_mss, o);
SERV_GET_INT(xfrd_tcp_max, o);
SERV_GET_INT(xfrd_tcp_pipeline, o);
SERV_GET_INT(ipv4_edns_size, o);
SERV_GET_INT(ipv6_edns_size, o);
SERV_GET_INT(statistics, o);
SERV_GET_INT(xfrd_reload_timeout, o);
SERV_GET_INT(verbosity, o);
SERV_GET_INT(send_buffer_size, o);
SERV_GET_INT(receive_buffer_size, o);
SERV_GET_INT(rrl_size, o);
SERV_GET_INT(rrl_ratelimit, o);
SERV_GET_INT(rrl_slip, o);
SERV_GET_INT(rrl_ipv4_prefix_length, o);
SERV_GET_INT(rrl_ipv6_prefix_length, o);
SERV_GET_INT(rrl_whitelist_ratelimit, o);
SERV_GET_INT(metrics_port, o);
SERV_GET_INT(zonefiles_write, o);
SERV_GET_INT(control_port, o);