-#include "../net/ip.h" /* belongs before in.h */
-#include "../net/ip_var.h"
-#include "../net/ip_icmp.h"
-#include "../net/tcp.h"
-#include <errno.h>
+#include "../net/route.h"
+
+#include "../netinet/in.h"
+#include "../netinet/in_pcb.h"
+#include "../netinet/in_systm.h"
+#include "../netinet/ip.h"
+#include "../netinet/ip_var.h"
+#include "../netinet/ip_icmp.h"
+#include "../netinet/tcp.h"