-extern int IPStack_CompareAddress(int AddressType, void *Address1, void *Address2, int CheckBits);
-extern const char *IPStack_PrintAddress(int AddressType, void *Address);
+extern int IPStack_CompareAddress(int AddressType, const void *Address1, const void *Address2, int CheckBits);
+extern const char *IPStack_PrintAddress(int AddressType, const void *Address);