diff --git a/Makefile.am b/Makefile.am
index facc5cd..b51d0c4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -31,7 +31,8 @@
   ndn-cpp/encoding/BinaryXMLWireFormat.cpp ndn-cpp/encoding/BinaryXMLWireFormat.hpp \
   ndn-cpp/encoding/WireFormat.cpp ndn-cpp/encoding/WireFormat.hpp \
   ndn-cpp/encoding/base.h \
-  ndn-cpp/encoding/ccnb.cc ndn-cpp/encoding/ccnb.h
+  ndn-cpp/encoding/ccnb.cc ndn-cpp/encoding/ccnb.h \
+  ndn-cpp/util/ndn_memory.c ndn-cpp/util/ndn_memory.h
 
 test_encode_decode_interest_SOURCES = test/test-encode-decode-interest.cpp
 test_encode_decode_interest_LDADD = ndn-cpp.a
diff --git a/Makefile.in b/Makefile.in
index 4f62b8c..7ca10a4 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -145,7 +145,8 @@
 	ndn-cpp/encoding/BinaryXMLStructureDecoder.$(OBJEXT) \
 	ndn-cpp/encoding/BinaryXMLWireFormat.$(OBJEXT) \
 	ndn-cpp/encoding/WireFormat.$(OBJEXT) \
-	ndn-cpp/encoding/ccnb.$(OBJEXT)
+	ndn-cpp/encoding/ccnb.$(OBJEXT) \
+	ndn-cpp/util/ndn_memory.$(OBJEXT)
 ndn_cpp_a_OBJECTS = $(am_ndn_cpp_a_OBJECTS)
 PROGRAMS = $(bin_PROGRAMS)
 am_test_encode_decode_interest_OBJECTS =  \
@@ -403,7 +404,8 @@
   ndn-cpp/encoding/BinaryXMLWireFormat.cpp ndn-cpp/encoding/BinaryXMLWireFormat.hpp \
   ndn-cpp/encoding/WireFormat.cpp ndn-cpp/encoding/WireFormat.hpp \
   ndn-cpp/encoding/base.h \
-  ndn-cpp/encoding/ccnb.cc ndn-cpp/encoding/ccnb.h
+  ndn-cpp/encoding/ccnb.cc ndn-cpp/encoding/ccnb.h \
+  ndn-cpp/util/ndn_memory.c ndn-cpp/util/ndn_memory.h
 
 test_encode_decode_interest_SOURCES = test/test-encode-decode-interest.cpp
 test_encode_decode_interest_LDADD = ndn-cpp.a
@@ -545,6 +547,14 @@
 	ndn-cpp/encoding/$(DEPDIR)/$(am__dirstamp)
 ndn-cpp/encoding/ccnb.$(OBJEXT): ndn-cpp/encoding/$(am__dirstamp) \
 	ndn-cpp/encoding/$(DEPDIR)/$(am__dirstamp)
+ndn-cpp/util/$(am__dirstamp):
+	@$(MKDIR_P) ndn-cpp/util
+	@: > ndn-cpp/util/$(am__dirstamp)
+ndn-cpp/util/$(DEPDIR)/$(am__dirstamp):
+	@$(MKDIR_P) ndn-cpp/util/$(DEPDIR)
+	@: > ndn-cpp/util/$(DEPDIR)/$(am__dirstamp)
+ndn-cpp/util/ndn_memory.$(OBJEXT): ndn-cpp/util/$(am__dirstamp) \
+	ndn-cpp/util/$(DEPDIR)/$(am__dirstamp)
 
 ndn-cpp.a: $(ndn_cpp_a_OBJECTS) $(ndn_cpp_a_DEPENDENCIES) $(EXTRA_ndn_cpp_a_DEPENDENCIES) 
 	$(AM_V_at)-rm -f ndn-cpp.a
@@ -610,6 +620,7 @@
 	-rm -f ndn-cpp/*.$(OBJEXT)
 	-rm -f ndn-cpp/encoding/*.$(OBJEXT)
 	-rm -f ndn-cpp/fields/*.$(OBJEXT)
+	-rm -f ndn-cpp/util/*.$(OBJEXT)
 	-rm -f test/*.$(OBJEXT)
 
 distclean-compile:
@@ -629,6 +640,7 @@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/fields/$(DEPDIR)/name-component.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/fields/$(DEPDIR)/name.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/fields/$(DEPDIR)/signature.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@ndn-cpp/util/$(DEPDIR)/ndn_memory.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@test/$(DEPDIR)/test-encode-decode-interest.Po@am__quote@
 
 .c.o:
@@ -933,6 +945,8 @@
 	-rm -f ndn-cpp/encoding/$(am__dirstamp)
 	-rm -f ndn-cpp/fields/$(DEPDIR)/$(am__dirstamp)
 	-rm -f ndn-cpp/fields/$(am__dirstamp)
+	-rm -f ndn-cpp/util/$(DEPDIR)/$(am__dirstamp)
+	-rm -f ndn-cpp/util/$(am__dirstamp)
 	-rm -f test/$(DEPDIR)/$(am__dirstamp)
 	-rm -f test/$(am__dirstamp)
 
@@ -946,7 +960,7 @@
 
 distclean: distclean-am
 	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-	-rm -rf ndn-cpp/$(DEPDIR) ndn-cpp/encoding/$(DEPDIR) ndn-cpp/fields/$(DEPDIR) test/$(DEPDIR)
+	-rm -rf ndn-cpp/$(DEPDIR) ndn-cpp/encoding/$(DEPDIR) ndn-cpp/fields/$(DEPDIR) ndn-cpp/util/$(DEPDIR) test/$(DEPDIR)
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
 	distclean-hdr distclean-tags
@@ -994,7 +1008,7 @@
 maintainer-clean: maintainer-clean-am
 	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
 	-rm -rf $(top_srcdir)/autom4te.cache
-	-rm -rf ndn-cpp/$(DEPDIR) ndn-cpp/encoding/$(DEPDIR) ndn-cpp/fields/$(DEPDIR) test/$(DEPDIR)
+	-rm -rf ndn-cpp/$(DEPDIR) ndn-cpp/encoding/$(DEPDIR) ndn-cpp/fields/$(DEPDIR) ndn-cpp/util/$(DEPDIR) test/$(DEPDIR)
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic
 
diff --git a/ndn-cpp/encoding/BinaryXMLStructureDecoder.c b/ndn-cpp/encoding/BinaryXMLStructureDecoder.c
index 0d53a3b..e29515d 100644
--- a/ndn-cpp/encoding/BinaryXMLStructureDecoder.c
+++ b/ndn-cpp/encoding/BinaryXMLStructureDecoder.c
@@ -4,7 +4,7 @@
  * BSD license, See the LICENSE file for more information.
  */
 
-#include <memory.h>
+#include "../util/ndn_memory.h"
 #include "BinaryXML.h"
 #include "BinaryXMLDecoder.h"
 #include "BinaryXMLStructureDecoder.h"
@@ -30,12 +30,12 @@
   self->state = ndn_BinaryXMLStructureDecoder_READ_HEADER_OR_CLOSE;    
 }
 
-const char *ndn_BinaryXMLStructureDecoder_findElementEnd
-  (struct ndn_BinaryXMLStructureDecoder *self, const unsigned char *input, unsigned int inputLength) 
+char *ndn_BinaryXMLStructureDecoder_findElementEnd
+  (struct ndn_BinaryXMLStructureDecoder *self, unsigned char *input, unsigned int inputLength) 
 {
   if (self->gotElementEnd)
     // Someone is calling when we already got the end.
-    return (const char *)0;
+    return (char *)0;
   
   struct ndn_BinaryXMLDecoder decoder;
   ndn_BinaryXMLDecoder_init(&decoder, input, inputLength);
@@ -43,7 +43,7 @@
   while (1) {
     if (self->offset >= inputLength)
       // All the cases assume we have some input. Return and wait for more.
-      return (const char *)0;
+      return (char *)0;
     
     if (self->state == ndn_BinaryXMLStructureDecoder_READ_HEADER_OR_CLOSE) {
       // First check for CLOSE.
@@ -54,7 +54,7 @@
         if (self->level == 0) {
           // Finished.
           self->gotElementEnd = 1;
-          return (const char *)0;
+          return (char *)0;
         }
         if (self->level < 0)
           return "ndn_BinaryXMLStructureDecoder_findElementEnd: Unexpected close tag";
@@ -72,9 +72,9 @@
             return "ndn_BinaryXMLStructureDecoder_findElementEnd: Can't store more header bytes than the size of headerBuffer";
           self->useHeaderBuffer = 1;
           unsigned int nNewBytes = self->headerLength - startingHeaderLength;
-          memcpy(self->headerBuffer + startingHeaderLength, input + (self->offset - nNewBytes), nNewBytes);
+          ndn_memcpy(self->headerBuffer + startingHeaderLength, input + (self->offset - nNewBytes), nNewBytes);
             
-          return (const char *)0;
+          return (char *)0;
         }
         unsigned int headerByte = (unsigned int)input[self->offset++];
         ++self->headerLength;
@@ -90,7 +90,7 @@
         if (self->headerLength > sizeof(self->headerBuffer))
           return "ndn_BinaryXMLStructureDecoder_findElementEnd: Can't store more header bytes than the size of headerBuffer";
         unsigned int nNewBytes = self->headerLength - startingHeaderLength;
-        memcpy(self->headerBuffer + startingHeaderLength, input + (self->offset - nNewBytes), nNewBytes);
+        ndn_memcpy(self->headerBuffer + startingHeaderLength, input + (self->offset - nNewBytes), nNewBytes);
 
         // Use a local decoder just for the headerBuffer.
         struct ndn_BinaryXMLDecoder bufferDecoder;
@@ -137,7 +137,7 @@
         // Need more.
         self->offset += nRemainingBytes;
         self->nBytesToRead -= nRemainingBytes;
-        return (const char *)0;
+        return (char *)0;
       }
       // Got the bytes. Read a new header or close.
       self->offset += self->nBytesToRead;
diff --git a/ndn-cpp/util/ndn_memory.c b/ndn-cpp/util/ndn_memory.c
new file mode 100644
index 0000000..5863d44
--- /dev/null
+++ b/ndn-cpp/util/ndn_memory.c
@@ -0,0 +1,27 @@
+/* 
+ * Author: Jeff Thompson
+ *
+ * BSD license, See the LICENSE file for more information.
+ */
+
+#include "ndn_memory.h"
+
+#if !HAVE_MEMCPY
+void ndn_memcpy(unsigned char *dest, unsigned char *src, unsigned int len)
+{
+  unsigned int i;
+  
+  for (i = 0; i < len; i++)
+    dest[i] = src[i];
+}
+#endif
+
+#if !HAVE_MEMSET
+void ndn_memset(unsigned char *dest, int val, unsigned int len)
+{
+  unsigned int i;
+  
+  for (i = 0; i < len; i++)
+    dest[i] = (unsigned char)val;
+}
+#endif
\ No newline at end of file
diff --git a/ndn-cpp/util/ndn_memory.h b/ndn-cpp/util/ndn_memory.h
new file mode 100644
index 0000000..07bd24c
--- /dev/null
+++ b/ndn-cpp/util/ndn_memory.h
@@ -0,0 +1,51 @@
+/* 
+ * Author: Jeff Thompson
+ *
+ * BSD license, See the LICENSE file for more information.
+ */
+
+/*
+ * Based on HAVE_MEMCPY and HAVE_MEMSET in config.h, use the library version or a local implementation of memcpy and memset.
+ */
+
+#ifndef NDN_MEMORY_H
+#define	NDN_MEMORY_H
+
+#include "../../config.h"
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#if HAVE_MEMCPY
+#include <memory.h>
+/**
+ * Use the library version of memcpy.
+ */
+static inline void ndn_memcpy(unsigned char *dest, unsigned char *src, unsigned int len) { memcpy(dest, src, len); }
+#else
+/**
+ * Use a local implementation of memcpy instead of the library version.
+ */
+void ndn_memcpy(unsigned char *dest, unsigned char *src, unsigned int len);
+#endif
+
+#if HAVE_MEMSET
+#include <memory.h>
+/**
+ * Use the library version of memset.
+ */
+static inline void ndn_memset(unsigned char *dest, int val, unsigned int len) { memset(dest, val, len); }
+#else
+/**
+ * Use a local implementation of memset instead of the library version.
+ */
+void ndn_memset(unsigned char *dest, int val, unsigned int len);
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif
+