2 * D header file for C99.
4 * $(C_HEADER_DESCRIPTION pubs.opengroup.org/onlinepubs/009695399/basedefs/_ctype.h.html, _ctype.h)
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)
11 * Source: $(DRUNTIMESRC core/stdc/_ctype.d)
12 * Standards: ISO/IEC 9899:1999 (E)
15 module core.stdc.ctype;
18 @trusted: // All of these operate on integers only.
23 pure int isalnum(int c);
25 pure int isalpha(int c);
27 pure int isblank(int c);
29 pure int iscntrl(int c);
31 pure int isdigit(int c);
33 pure int isgraph(int c);
35 pure int islower(int c);
37 pure int isprint(int c);
39 pure int ispunct(int c);
41 pure int isspace(int c);
43 pure int isupper(int c);
45 pure int isxdigit(int c);
47 pure int tolower(int c);
49 pure int toupper(int c);