https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100808
--- Comment #3 from Jens Seifert <jens.seifert at de dot ibm.com> --- - Avoid additional "int" unsigned long long int => unsigned long long Why? Those are exactly the same types! Yes, but the rest of the documentation uses unsigned long long. This is just for consistency with existing documentation.