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 * $FreeBSD$ 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 49 int isalnum(int); 50 int isalpha(int); 51 int iscntrl(int); 52 int isdigit(int); 53 int isgraph(int); 54 int islower(int); 55 int isprint(int); 56 int ispunct(int); 57 int isspace(int); 58 int isupper(int); 59 int isxdigit(int); 60 int tolower(int); 61 int toupper(int); 62 63 #if __XSI_VISIBLE 64 int isascii(int); 65 int toascii(int); 66 #endif 67 68 #if __ISO_C_VISIBLE >= 1999 69 int isblank(int); 70 #endif 71 72 #if __BSD_VISIBLE 73 int digittoint(int); 74 int ishexnumber(int); 75 int isideogram(int); 76 int isnumber(int); 77 int isphonogram(int); 78 int isrune(int); 79 int isspecial(int); 80 #endif 81 82 #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_) 83 #include <xlocale/_ctype.h> 84 #endif 85 __END_DECLS 86 87 #ifndef __cplusplus 88 #define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D) 89 #define isalpha(c) __sbistype((c), _CTYPE_A) 90 #define iscntrl(c) __sbistype((c), _CTYPE_C) 91 #define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */ 92 #define isgraph(c) __sbistype((c), _CTYPE_G) 93 #define islower(c) __sbistype((c), _CTYPE_L) 94 #define isprint(c) __sbistype((c), _CTYPE_R) 95 #define ispunct(c) __sbistype((c), _CTYPE_P) 96 #define isspace(c) __sbistype((c), _CTYPE_S) 97 #define isupper(c) __sbistype((c), _CTYPE_U) 98 #define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */ 99 #define tolower(c) __sbtolower(c) 100 #define toupper(c) __sbtoupper(c) 101 #endif /* !__cplusplus */ 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 && !defined(__cplusplus) 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