Annex C (informative) Compatibility [diff]

C.3 C standard library [diff.library]

C.3.4 Modifications to behavior [diff.mods.to.behavior]

C.3.4.1 Macro offsetof(type, member-designator) [diff.offsetof]

The macro offsetof, defined in <cstddef>, accepts a restricted set of type arguments in this International Standard. [support.types] describes the change.