1/* Copyright (C) 1996-2020 Free Software Foundation, Inc. 
2 This file is part of the GNU C Library. 
3 
4 The GNU C Library is free software; you can redistribute it and/or 
5 modify it under the terms of the GNU Lesser General Public 
6 License as published by the Free Software Foundation; either 
7 version 2.1 of the License, or (at your option) any later version. 
8 
9 The GNU C Library is distributed in the hope that it will be useful, 
10 but WITHOUT ANY WARRANTY; without even the implied warranty of 
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
12 Lesser General Public License for more details. 
13 
14 You should have received a copy of the GNU Lesser General Public 
15 License along with the GNU C Library; if not, see 
16 <https://www.gnu.org/licenses/>. */ 
17 
18/* 
19 * ISO C99 Standard: 7.25 
20 * Wide character classification and mapping utilities <wctype.h> 
21 */ 
22 
23#ifndef _WCTYPE_H 
24#define _WCTYPE_H 1 
25 
26#include <features.h> 
27#include <bits/types.h> 
28#include <bits/types/wint_t.h> 
29 
30/* Constant expression of type `wint_t' whose value does not correspond 
31 to any member of the extended character set. */ 
32#ifndef WEOF 
33# define WEOF (0xffffffffu) 
34#endif 
35 
36/* Some definitions from this header also appear in <wchar.h> in 
37 Unix98 mode. */ 
38#include <bits/wctype-wchar.h> 
39 
40/* 
41 * Extensible wide-character mapping functions: 7.15.3.2. 
42 */ 
43 
44__BEGIN_DECLS 
45 
46/* Scalar type that can hold values which represent locale-specific 
47 character mappings. */ 
48typedef const __int32_t *wctrans_t; 
49 
50/* Construct value that describes a mapping between wide characters 
51 identified by the string argument PROPERTY. */ 
52extern wctrans_t wctrans (const char *__property) __THROW; 
53 
54/* Map the wide character WC using the mapping described by DESC. */ 
55extern wint_t towctrans (wint_t __wc, wctrans_t __desc) __THROW; 
56 
57# ifdef __USE_XOPEN2K8 
58/* POSIX.1-2008 extended locale interface (see locale.h). */ 
59# include <bits/types/locale_t.h> 
60 
61/* Test for any wide character for which `iswalpha' or `iswdigit' is 
62 true. */ 
63extern int iswalnum_l (wint_t __wc, locale_t __locale) __THROW; 
64 
65/* Test for any wide character for which `iswupper' or 'iswlower' is 
66 true, or any wide character that is one of a locale-specific set of 
67 wide-characters for which none of `iswcntrl', `iswdigit', 
68 `iswpunct', or `iswspace' is true. */ 
69extern int iswalpha_l (wint_t __wc, locale_t __locale) __THROW; 
70 
71/* Test for any control wide character. */ 
72extern int iswcntrl_l (wint_t __wc, locale_t __locale) __THROW; 
73 
74/* Test for any wide character that corresponds to a decimal-digit 
75 character. */ 
76extern int iswdigit_l (wint_t __wc, locale_t __locale) __THROW; 
77 
78/* Test for any wide character for which `iswprint' is true and 
79 `iswspace' is false. */ 
80extern int iswgraph_l (wint_t __wc, locale_t __locale) __THROW; 
81 
82/* Test for any wide character that corresponds to a lowercase letter 
83 or is one of a locale-specific set of wide characters for which 
84 none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */ 
85extern int iswlower_l (wint_t __wc, locale_t __locale) __THROW; 
86 
87/* Test for any printing wide character. */ 
88extern int iswprint_l (wint_t __wc, locale_t __locale) __THROW; 
89 
90/* Test for any printing wide character that is one of a 
91 locale-specific et of wide characters for which neither `iswspace' 
92 nor `iswalnum' is true. */ 
93extern int iswpunct_l (wint_t __wc, locale_t __locale) __THROW; 
94 
95/* Test for any wide character that corresponds to a locale-specific 
96 set of wide characters for which none of `iswalnum', `iswgraph', or 
97 `iswpunct' is true. */ 
98extern int iswspace_l (wint_t __wc, locale_t __locale) __THROW; 
99 
100/* Test for any wide character that corresponds to an uppercase letter 
101 or is one of a locale-specific set of wide character for which none 
102 of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */ 
103extern int iswupper_l (wint_t __wc, locale_t __locale) __THROW; 
104 
105/* Test for any wide character that corresponds to a hexadecimal-digit 
106 character equivalent to that performed be the functions described 
107 in the previous subclause. */ 
108extern int iswxdigit_l (wint_t __wc, locale_t __locale) __THROW; 
109 
110/* Test for any wide character that corresponds to a standard blank 
111 wide character or a locale-specific set of wide characters for 
112 which `iswalnum' is false. */ 
113extern int iswblank_l (wint_t __wc, locale_t __locale) __THROW; 
114 
115/* Construct value that describes a class of wide characters identified 
116 by the string argument PROPERTY. */ 
117extern wctype_t wctype_l (const char *__property, locale_t __locale) 
118 __THROW; 
119 
120/* Determine whether the wide-character WC has the property described by 
121 DESC. */ 
122extern int iswctype_l (wint_t __wc, wctype_t __desc, locale_t __locale) 
123 __THROW; 
124 
125/* 
126 * Wide-character case-mapping functions. 
127 */ 
128 
129/* Converts an uppercase letter to the corresponding lowercase letter. */ 
130extern wint_t towlower_l (wint_t __wc, locale_t __locale) __THROW; 
131 
132/* Converts an lowercase letter to the corresponding uppercase letter. */ 
133extern wint_t towupper_l (wint_t __wc, locale_t __locale) __THROW; 
134 
135/* Construct value that describes a mapping between wide characters 
136 identified by the string argument PROPERTY. */ 
137extern wctrans_t wctrans_l (const char *__property, locale_t __locale) 
138 __THROW; 
139 
140/* Map the wide character WC using the mapping described by DESC. */ 
141extern wint_t towctrans_l (wint_t __wc, wctrans_t __desc, 
142 locale_t __locale) __THROW; 
143 
144# endif /* Use POSIX 2008. */ 
145 
146__END_DECLS 
147 
148#endif /* wctype.h */ 
149