title: Specifying 64-bit unsigned integer literals on 64-bit data models
body: <p>As there are various types of 64-bit data models (LLP64/IL32P64, LP64/I32LP64, ILP64, SILP64), what is the standard conforming way of specifying 64-bit unsigned integer literals?</p>
  
  <p>Would specifying the suffix of ULL be sufficient? Or would I end up causing the literal to be interpreted as 128-bit on some data models?</p>