-ip_output(m, opt, ro, allowbroadcast)
+#include "../netinet/in.h"
+#include "../netinet/in_systm.h"
+#include "../netinet/ip.h"
+#include "../netinet/ip_var.h"
+
+#include "../machine/mtpr.h"
+
+int ipnorouteprint = 0;
+
+ip_output(m, opt, ro, flags)