C++ Style Headers

All of the following headers have both the <x.h> and <cx> forms:
    assert.h
    ctype.h
    errno.h
    iso646.h
    float.h
    limits.h
    locale.h
    math.h
    setjmp.h
    signal.h
    stdarg.h
    stddef.h
    stdlib.h
    string.h
    time.h
    wchar.h
    wctype.h

Reference: www.ddj.com/cpp/184403367