ctype.h revision 172619
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. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)ctype.h 8.4 (Berkeley) 1/21/94 42 * $FreeBSD: head/include/ctype.h 172619 2007-10-13 16:28:22Z ache $ 43 */ 44 45#ifndef _CTYPE_H_ 46#define _CTYPE_H_ 47 48#include <sys/cdefs.h> 49#include <sys/_types.h> 50#include <_ctype.h> 51 52__BEGIN_DECLS 53int isalnum(int); 54int isalpha(int); 55int iscntrl(int); 56int isdigit(int); 57int isgraph(int); 58int islower(int); 59int isprint(int); 60int ispunct(int); 61int isspace(int); 62int isupper(int); 63int isxdigit(int); 64int tolower(int); 65int toupper(int); 66 67#if __XSI_VISIBLE 68int _tolower(int); 69int _toupper(int); 70int isascii(int); 71int toascii(int); 72#endif 73 74#if __ISO_C_VISIBLE >= 1999 75int isblank(int); 76#endif 77 78#if __BSD_VISIBLE 79int digittoint(int); 80int ishexnumber(int); 81int isideogram(int); 82int isnumber(int); 83int isphonogram(int); 84int isrune(int); 85int isspecial(int); 86#endif 87__END_DECLS 88 89#define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D) 90#define isalpha(c) __sbistype((c), _CTYPE_A) 91#define iscntrl(c) __sbistype((c), _CTYPE_C) 92#define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */ 93#define isgraph(c) __sbistype((c), _CTYPE_G) 94#define islower(c) __sbistype((c), _CTYPE_L) 95#define isprint(c) __sbistype((c), _CTYPE_R) 96#define ispunct(c) __sbistype((c), _CTYPE_P) 97#define isspace(c) __sbistype((c), _CTYPE_S) 98#define isupper(c) __sbistype((c), _CTYPE_U) 99#define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */ 100#define tolower(c) __sbtolower(c) 101#define toupper(c) __sbtoupper(c) 102 103#if __XSI_VISIBLE 104/* 105 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to 106 * tolower() and toupper() respectively, minus extra checking to ensure that 107 * the argument is a lower or uppercase letter respectively. We've chosen to 108 * implement these macros with the same error checking as tolower() and 109 * toupper() since this doesn't violate the specification itself, only its 110 * intent. We purposely leave _tolower() and _toupper() undocumented to 111 * discourage their use. 112 * 113 * XXX isascii() and toascii() should similarly be undocumented. 114 */ 115#define _tolower(c) __sbtolower(c) 116#define _toupper(c) __sbtoupper(c) 117#define isascii(c) (((c) & ~0x7F) == 0) 118#define toascii(c) ((c) & 0x7F) 119#endif 120 121#if __ISO_C_VISIBLE >= 1999 122#define isblank(c) __sbistype((c), _CTYPE_B) 123#endif 124 125#if __BSD_VISIBLE 126#define digittoint(c) __sbmaskrune((c), 0xFF) 127#define ishexnumber(c) __sbistype((c), _CTYPE_X) 128#define isideogram(c) __sbistype((c), _CTYPE_I) 129#define isnumber(c) __sbistype((c), _CTYPE_D) 130#define isphonogram(c) __sbistype((c), _CTYPE_Q) 131#define isrune(c) __sbistype((c), 0xFFFFFF00L) 132#define isspecial(c) __sbistype((c), _CTYPE_T) 133#endif 134 135#endif /* !_CTYPE_H_ */ 136