Header <cstring>: The following functions have different declarations:
strchr
strpbrk
strrchr
strstr
memchr
Subclause [cstring.syn] describes the changes.
Header <cwchar>: The following functions have different declarations:
wcschr
wcspbrk
wcsrchr
wcsstr
wmemchr
Subclause [cwchar.syn] describes the changes.