<cwctype>

Include the standard header <cwctype> to effectively include the standard header <wctype.h> within the std namespace.

#include <wctype.h>

namespace std {
using ::wint_t; using ::wctrans_t; using ::wctype_t;
using ::iswalnum; using ::iswalpha; using ::iswcntrl;
using ::iswctype; using ::iswdigit; using ::iswgraph;
using ::iswlower; using ::iswprint; using ::iswpunct;
using ::iswspace; using ::iswupper; using ::iswxdigit;
using ::towctrans; using ::towlower; using ::towupper;
using ::wctrans; using ::wctype;
#if __IBMCPP_TR1__
namespace tr1 {
using ::iswblank;
}
#endif
}
Note: The Standard C++ library works in conjunction with the headers from the Standard C library. For information about the Standard C library, refer to the documentation that is supplied with the operating system.

Copyright note

Certain materials included or referred to in this document are copyright P.J. Plauger and/or Dinkumware, Ltd. or are based on materials that are copyright P.J. Plauger and/or Dinkumware, Ltd.

Notwithstanding the meta-data for this document, copyright information for this document is as follows:

Copyright © IBM Corp. 1999, 2014. & Copyright © P.J. Plauger and/or Dinkumware, Ltd. 1992-2006.