1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * This code is derived from software contributed to Berkeley by 13 * Paul Borman at Krystal Technologies. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 3. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 */ 39 40 #ifndef _CTYPE_H_ 41 #define _CTYPE_H_ 42 43 #include <sys/cdefs.h> 44 #include <sys/_types.h> 45 #include <_ctype.h> 46 47 __BEGIN_DECLS 48 int isalnum(int); 49 int isalpha(int); 50 int iscntrl(int); 51 int isdigit(int); 52 int isgraph(int); 53 int islower(int); 54 int isprint(int); 55 int ispunct(int); 56 int isspace(int); 57 int isupper(int); 58 int isxdigit(int); 59 int tolower(int); 60 int toupper(int); 61 62 #if __XSI_VISIBLE 63 int isascii(int); 64 int toascii(int); 65 #endif 66 67 #if __ISO_C_VISIBLE >= 1999 68 int isblank(int); 69 #endif 70 71 #if __BSD_VISIBLE 72 int digittoint(int); 73 int ishexnumber(int); 74 int isideogram(int); 75 int isnumber(int); 76 int isphonogram(int); 77 int isrune(int); 78 int isspecial(int); 79 #endif 80 81 #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_) 82 #include <xlocale/_ctype.h> 83 #endif 84 __END_DECLS 85 86 #ifndef __cplusplus 87 #define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D|_CTYPE_N) 88 #define isalpha(c) __sbistype((c), _CTYPE_A) 89 #define iscntrl(c) __sbistype((c), _CTYPE_C) 90 #define isdigit(c) __sbistype((c), _CTYPE_D) 91 #define isgraph(c) __sbistype((c), _CTYPE_G) 92 #define islower(c) __sbistype((c), _CTYPE_L) 93 #define isprint(c) __sbistype((c), _CTYPE_R) 94 #define ispunct(c) __sbistype((c), _CTYPE_P) 95 #define isspace(c) __sbistype((c), _CTYPE_S) 96 #define isupper(c) __sbistype((c), _CTYPE_U) 97 #define isxdigit(c) __sbistype((c), _CTYPE_X) 98 #define tolower(c) __sbtolower(c) 99 #define toupper(c) __sbtoupper(c) 100 #endif /* !__cplusplus */ 101 102 #if __XSI_VISIBLE 103 /* 104 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to 105 * tolower() and toupper() respectively, minus extra checking to ensure that 106 * the argument is a lower or uppercase letter respectively. We've chosen to 107 * implement these macros with the same error checking as tolower() and 108 * toupper() since this doesn't violate the specification itself, only its 109 * intent. We purposely leave _tolower() and _toupper() undocumented to 110 * discourage their use. 111 * 112 * XXX isascii() and toascii() should similarly be undocumented. 113 */ 114 #define _tolower(c) __sbtolower(c) 115 #define _toupper(c) __sbtoupper(c) 116 #define isascii(c) (((c) & ~0x7F) == 0) 117 #define toascii(c) ((c) & 0x7F) 118 #endif 119 120 #if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus) 121 #define isblank(c) __sbistype((c), _CTYPE_B) 122 #endif 123 124 #if __BSD_VISIBLE 125 #define digittoint(c) __sbmaskrune((c), 0xFF) 126 #define ishexnumber(c) __sbistype((c), _CTYPE_X) 127 #define isideogram(c) __sbistype((c), _CTYPE_I) 128 #define isnumber(c) __sbistype((c), _CTYPE_D|_CTYPE_N) 129 #define isphonogram(c) __sbistype((c), _CTYPE_Q) 130 #define isrune(c) __sbistype((c), 0xFFFFFF00L) 131 #define isspecial(c) __sbistype((c), _CTYPE_T) 132 #endif 133 134 #endif /* !_CTYPE_H_ */ 135