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