#define SILC_32_TO_PTR ...

    Type casts a 32-bit integer value into a pointer.  Use this to
    avoid compiler warnings when type casting integers to pointers of
    different size.

    #if SILC_SIZEOF_VOID_P < 8
    #define SILC_32_TO_PTR(_ival__) ((void *)((SilcUInt32)(_ival__)))
    #else
    #define SILC_32_TO_PTR(_ival__) ((void *)((SilcUInt64)(_ival__)))
    #endif