libstdc++
cctype
Go to the documentation of this file.
1 // -*- C++ -*- forwarding header.
2 
3 // Copyright (C) 1997-2017 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15 
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 /** @file include/cctype
26  * This is a Standard C++ Library file. You should @c \#include this file
27  * in your programs, rather than any of the @a *.h implementation files.
28  *
29  * This is the C++ version of the Standard C Library header @c ctype.h,
30  * and its contents are (mostly) the same as that header, but are all
31  * contained in the namespace @c std (except for names which are defined
32  * as macros in C).
33  */
34 
35 //
36 // ISO C++ 14882: <ccytpe>
37 //
38 
39 #pragma GCC system_header
40 
41 #include <bits/c++config.h>
42 #include <ctype.h>
43 
44 #ifndef _GLIBCXX_CCTYPE
45 #define _GLIBCXX_CCTYPE 1
46 
47 // Get rid of those macros defined in <ctype.h> in lieu of real functions.
48 #undef isalnum
49 #undef isalpha
50 #undef iscntrl
51 #undef isdigit
52 #undef isgraph
53 #undef islower
54 #undef isprint
55 #undef ispunct
56 #undef isspace
57 #undef isupper
58 #undef isxdigit
59 #undef tolower
60 #undef toupper
61 
62 namespace std
63 {
77 } // namespace std
78 
79 #if __cplusplus >= 201103L
80 
81 #ifdef _GLIBCXX_USE_C99_CTYPE_TR1
82 
83 #undef isblank
84 
85 namespace std
86 {
88 } // namespace std
89 
90 #endif // _GLIBCXX_USE_C99_CTYPE_TR1
91 
92 #endif // C++11
93 
94 #endif
_CharT tolower(_CharT __c, const locale &__loc)
Convenience interface to ctype.tolower(__c).
ISO C++ entities toplevel namespace is std.
bool isspace(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::space, __c).
bool isupper(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::upper, __c).
bool islower(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::lower, __c).
bool isalpha(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::alpha, __c).
bool ispunct(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::punct, __c).
_CharT toupper(_CharT __c, const locale &__loc)
Convenience interface to ctype.toupper(__c).
bool isalnum(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::alnum, __c).
bool isxdigit(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::xdigit, __c).
bool isblank(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::blank, __c).
bool isgraph(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::graph, __c).
bool iscntrl(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::cntrl, __c).
bool isdigit(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::digit, __c).
bool isprint(_CharT __c, const locale &__loc)
Convenience interface to ctype.is(ctype_base::print, __c).