--- flookup.c.orig 2014-05-07 17:56:43.000000000 +0400 +++ flookup.c 2014-05-07 17:57:05.000000000 +0400 @@ -23,6 +23,7 @@ #include <unistd.h> #include <sys/types.h> #include <sys/socket.h> +#include <netinet/in.h> #include <arpa/inet.h> #include "fomalib.h"