include IPv4 Option padding and type packing/unpacking

.githooks/pre-commit/02-gofmt

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+srcdir="${PWD}/examples"
+
+if ! command -v gofmt &> /dev/null;
+then
+	exit 0
+fi
+
+for f in $(find ${srcdir} -type f -iname "*.go");
+do
+	gofmt -w "${f}"
+	git add "${f}"
+done
+echo "Reformatted examples"