vi: speedup and code shrink (Walter Harms)
networking/interface.c: silence warning (Vladimir)
wget: more robust EINTR detection

diff --git a/networking/interface.c b/networking/interface.c
index b09148b..00174d4 100644
--- a/networking/interface.c
+++ b/networking/interface.c
@@ -990,7 +990,7 @@
 	fclose(f);
 }
 #else
-static void ife_print6(struct interface *ptr) {}
+#define ife_print6(a) ((void)0)
 #endif