--- src/nat.cpp 2013-03-23 23:47:39.000000000 -0500 +++ src/nat.cpp 2013-03-23 23:47:54.000000000 -0500 @@ -42,6 +42,7 @@ **/ #include <cc++/config.h> +#include <net/if.h> #include "nat.h" #ifdef CCXX_NAT