Support for conversion between UNICODE and other encodings

currently ISO8859-[1-5] and EUC_JP are supported.
support for other encodings will be coming soon.

src/backend/utils/mb/palloc.c

@@ -0,0 +1,25 @@
+#include "postgres.h"
+#include "utils/memutils.h"
+
+void
+elog(int lev, const char *fmt,...)
+{
+  printf(fmt);
+}
+
+MemoryContext CurrentMemoryContext;
+
+void *
+MemoryContextAlloc(MemoryContext context, Size size)
+{
+}
+
+void
+pfree(void *pointer)
+{
+}
+
+void *
+repalloc(void *pointer, Size size)
+{
+}