--- libmnl-1.0.4/examples/netfilter/nfct-daemon.c.old 2018-06-21 04:06:51.790655013 +0000 +++ libmnl-1.0.4/examples/netfilter/nfct-daemon.c 2018-06-21 04:03:34.850653597 +0000 @@ -20,6 +20,7 @@ #include <linux/netfilter/nfnetlink_conntrack.h> #include <sys/queue.h> +#include <sys/select.h> struct nstats { LIST_ENTRY(nstats) list;