ctype.h revision 231714
1/* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Paul Borman at Krystal Technologies. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)ctype.h 8.4 (Berkeley) 1/21/94 38 * $FreeBSD: head/include/ctype.h 231714 2012-02-14 21:48:46Z dim $ 39 */ 40 41#ifndef _CTYPE_H_ 42#define _CTYPE_H_ 43 44#include <sys/cdefs.h> 45#include <sys/_types.h> 46#include <_ctype.h> 47 48__BEGIN_DECLS 49int isalnum(int); 50int isalpha(int); 51int iscntrl(int); 52int isdigit(int); 53int isgraph(int); 54int islower(int); 55int isprint(int); 56int ispunct(int); 57int isspace(int); 58int isupper(int); 59int isxdigit(int); 60int tolower(int); 61int toupper(int); 62 63#if __XSI_VISIBLE 64int isascii(int); 65int toascii(int); 66#endif 67 68#if __ISO_C_VISIBLE >= 1999 69int isblank(int); 70#endif 71 72#if __BSD_VISIBLE 73int digittoint(int); 74int ishexnumber(int); 75int isideogram(int); 76int isnumber(int); 77int isphonogram(int); 78int isrune(int); 79int isspecial(int); 80#endif 81__END_DECLS 82 83#ifndef __cplusplus 84#define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D) 85#define isalpha(c) __sbistype((c), _CTYPE_A) 86#define iscntrl(c) __sbistype((c), _CTYPE_C) 87#define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */ 88#define isgraph(c) __sbistype((c), _CTYPE_G) 89#define islower(c) __sbistype((c), _CTYPE_L) 90#define isprint(c) __sbistype((c), _CTYPE_R) 91#define ispunct(c) __sbistype((c), _CTYPE_P) 92#define isspace(c) __sbistype((c), _CTYPE_S) 93#define isupper(c) __sbistype((c), _CTYPE_U) 94#define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */ 95#define tolower(c) __sbtolower(c) 96#define toupper(c) __sbtoupper(c) 97#endif /* !__cplusplus */ 98 99#if __XSI_VISIBLE 100/* 101 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to 102 * tolower() and toupper() respectively, minus extra checking to ensure that 103 * the argument is a lower or uppercase letter respectively. We've chosen to 104 * implement these macros with the same error checking as tolower() and 105 * toupper() since this doesn't violate the specification itself, only its 106 * intent. We purposely leave _tolower() and _toupper() undocumented to 107 * discourage their use. 108 * 109 * XXX isascii() and toascii() should similarly be undocumented. 110 */ 111#define _tolower(c) __sbtolower(c) 112#define _toupper(c) __sbtoupper(c) 113#define isascii(c) (((c) & ~0x7F) == 0) 114#define toascii(c) ((c) & 0x7F) 115#endif 116 117#if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus) 118#define isblank(c) __sbistype((c), _CTYPE_B) 119#endif 120 121#if __BSD_VISIBLE 122#define digittoint(c) __sbmaskrune((c), 0xFF) 123#define ishexnumber(c) __sbistype((c), _CTYPE_X) 124#define isideogram(c) __sbistype((c), _CTYPE_I) 125#define isnumber(c) __sbistype((c), _CTYPE_D) 126#define isphonogram(c) __sbistype((c), _CTYPE_Q) 127#define isrune(c) __sbistype((c), 0xFFFFFF00L) 128#define isspecial(c) __sbistype((c), _CTYPE_T) 129#endif 130 131#endif /* !_CTYPE_H_ */ 132