2 //===----------------------------------------------------------------------===//
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //===----------------------------------------------------------------------===//
10 #ifndef _LIBCPP_CWCTYPE
11 #define _LIBCPP_CWCTYPE
29 int iswalnum(wint_t wc);
30 int iswalpha(wint_t wc);
31 int iswblank(wint_t wc); // C99
32 int iswcntrl(wint_t wc);
33 int iswdigit(wint_t wc);
34 int iswgraph(wint_t wc);
35 int iswlower(wint_t wc);
36 int iswprint(wint_t wc);
37 int iswpunct(wint_t wc);
38 int iswspace(wint_t wc);
39 int iswupper(wint_t wc);
40 int iswxdigit(wint_t wc);
41 int iswctype(wint_t wc, wctype_t desc);
42 wctype_t wctype(const char* property);
43 wint_t towlower(wint_t wc);
44 wint_t towupper(wint_t wc);
45 wint_t towctrans(wint_t wc, wctrans_t desc);
46 wctrans_t wctrans(const char* property);
57 #ifndef _LIBCPP_WCTYPE_H
58 # error <cwctype> tried including <wctype.h> but didn't find libc++'s <wctype.h> header. \
59 This usually means that your header search paths are not configured properly. \
60 The header search paths should contain the C++ Standard Library headers before \
61 any C Standard Library, and you are probably using compiler flags that make that \
65 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
66 # pragma GCC system_header
69 _LIBCPP_BEGIN_NAMESPACE_STD
71 #if defined(_LIBCPP_INCLUDED_C_LIBRARY_WCTYPE_H)
72 using ::wint_t _LIBCPP_USING_IF_EXISTS;
73 using ::wctrans_t _LIBCPP_USING_IF_EXISTS;
74 using ::wctype_t _LIBCPP_USING_IF_EXISTS;
75 using ::iswalnum _LIBCPP_USING_IF_EXISTS;
76 using ::iswalpha _LIBCPP_USING_IF_EXISTS;
77 using ::iswblank _LIBCPP_USING_IF_EXISTS;
78 using ::iswcntrl _LIBCPP_USING_IF_EXISTS;
79 using ::iswdigit _LIBCPP_USING_IF_EXISTS;
80 using ::iswgraph _LIBCPP_USING_IF_EXISTS;
81 using ::iswlower _LIBCPP_USING_IF_EXISTS;
82 using ::iswprint _LIBCPP_USING_IF_EXISTS;
83 using ::iswpunct _LIBCPP_USING_IF_EXISTS;
84 using ::iswspace _LIBCPP_USING_IF_EXISTS;
85 using ::iswupper _LIBCPP_USING_IF_EXISTS;
86 using ::iswxdigit _LIBCPP_USING_IF_EXISTS;
87 using ::iswctype _LIBCPP_USING_IF_EXISTS;
88 using ::wctype _LIBCPP_USING_IF_EXISTS;
89 using ::towlower _LIBCPP_USING_IF_EXISTS;
90 using ::towupper _LIBCPP_USING_IF_EXISTS;
91 using ::towctrans _LIBCPP_USING_IF_EXISTS;
92 using ::wctrans _LIBCPP_USING_IF_EXISTS;
93 #endif // _LIBCPP_INCLUDED_C_LIBRARY_WCTYPE_H
95 _LIBCPP_END_NAMESPACE_STD
97 #endif // _LIBCPP_CWCTYPE