+#else
+# error "SIZEOF_INT not defined"
+#endif
+
+#if (CARES_SIZEOF_LONG == 2)
+# define CARES_MASK_SLONG 0x7FFFL
+# define CARES_MASK_ULONG 0xFFFFUL
+#elif (CARES_SIZEOF_LONG == 4)
+# define CARES_MASK_SLONG 0x7FFFFFFFL
+# define CARES_MASK_ULONG 0xFFFFFFFFUL
+#elif (CARES_SIZEOF_LONG == 8)
+# define CARES_MASK_SLONG 0x7FFFFFFFFFFFFFFFL
+# define CARES_MASK_ULONG 0xFFFFFFFFFFFFFFFFUL
+#elif (CARES_SIZEOF_LONG == 16)
+# define CARES_MASK_SLONG 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFL
+# define CARES_MASK_ULONG 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFUL
+#else
+# error "CARES_SIZEOF_LONG not defined"
+#endif
+
+/*
+** unsigned size_t to signed long
+*/
+
+long aresx_uztosl(size_t uznum)
+{
+#ifdef __INTEL_COMPILER
+# pragma warning(push)
+# pragma warning(disable:810) /* conversion may lose significant bits */
+#endif
+
+ return (long)(uznum & (size_t) CARES_MASK_SLONG);
+
+#ifdef __INTEL_COMPILER
+# pragma warning(pop)