Annex C (informative) Compatibility [diff]

C.3 C standard library [diff.library]

C.3.2 Modifications to definitions [diff.mods.to.definitions]

C.3.2.2 Type wchar_t [diff.wchar.t]

1

wchar_t is a keyword in this International Standard ([lex.key]). It does not appear as a type name defined in any of <cstddef>, <cstdlib>, or <cwchar> ([c.strings]).