1/**
2 * D header file for C99.
3 *
4 * $(C_HEADER_DESCRIPTION pubs.opengroup.org/onlinepubs/009695399/basedefs/_ctype.h.html, _ctype.h)
5 *
6 * Copyright: Copyright Sean Kelly 2005 - 2009.
7 * License: Distributed under the
8 *      $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0).
9 *    (See accompanying file LICENSE)
10 * Authors:   Sean Kelly
11 * Source:    $(DRUNTIMESRC core/stdc/_ctype.d)
12 * Standards: ISO/IEC 9899:1999 (E)
13 */
14
15module core.stdc.ctype;
16
17extern (C):
18@trusted: // All of these operate on integers only.
19nothrow:
20@nogc:
21
22    ///
23pure int isalnum(int c);
24///
25pure int isalpha(int c);
26///
27pure int isblank(int c);
28///
29pure int iscntrl(int c);
30///
31pure int isdigit(int c);
32///
33pure int isgraph(int c);
34///
35pure int islower(int c);
36///
37pure int isprint(int c);
38///
39pure int ispunct(int c);
40///
41pure int isspace(int c);
42///
43pure int isupper(int c);
44///
45pure int isxdigit(int c);
46///
47pure int tolower(int c);
48///
49pure int toupper(int c);
50