c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vnet/ip/ip4_reassembly.c b/src/vnet/ip/ip4_reassembly.c
index 87fb764..42231d0 100644
--- a/src/vnet/ip/ip4_reassembly.c
+++ b/src/vnet/ip/ip4_reassembly.c
@@ -368,7 +368,7 @@
   else
     {
       pool_get (rt->pool, reass);
-      memset (reass, 0, sizeof (*reass));
+      clib_memset (reass, 0, sizeof (*reass));
       reass->id =
 	((u64) os_get_thread_index () * 1000000000) + rt->id_counter;
       ++rt->id_counter;
@@ -1109,7 +1109,7 @@
   if (ip4_reass_main.max_reass_n > 0 && new_nbuckets > old_nbuckets)
     {
       clib_bihash_16_8_t new_hash;
-      memset (&new_hash, 0, sizeof (new_hash));
+      clib_memset (&new_hash, 0, sizeof (new_hash));
       ip4_rehash_cb_ctx ctx;
       ctx.failure = 0;
       ctx.new_hash = &new_hash;