ctype.h (4682B) - Raw
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 * @(#)ctype.h 8.4 (Berkeley) 1/21/94 40 */ 41 42 #ifndef _CTYPE_H_ 43 #define _CTYPE_H_ 44 45 #include <sys/cdefs.h> 46 #include <sys/_types.h> 47 #include <_ctype.h> 48 49 __BEGIN_DECLS 50 int isalnum(int); 51 int isalpha(int); 52 int iscntrl(int); 53 int isdigit(int); 54 int isgraph(int); 55 int islower(int); 56 int isprint(int); 57 int ispunct(int); 58 int isspace(int); 59 int isupper(int); 60 int isxdigit(int); 61 int tolower(int); 62 int toupper(int); 63 64 #if __XSI_VISIBLE 65 int isascii(int); 66 int toascii(int); 67 #endif 68 69 #if __ISO_C_VISIBLE >= 1999 70 int isblank(int); 71 #endif 72 73 #if __BSD_VISIBLE 74 int digittoint(int); 75 int ishexnumber(int); 76 int isideogram(int); 77 int isnumber(int); 78 int isphonogram(int); 79 int isrune(int); 80 int isspecial(int); 81 #endif 82 83 #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_) 84 #include <xlocale/_ctype.h> 85 #endif 86 __END_DECLS 87 88 #ifndef __cplusplus 89 #define isalnum(c) __sbistype((c), _CTYPE_A|_CTYPE_D|_CTYPE_N) 90 #define isalpha(c) __sbistype((c), _CTYPE_A) 91 #define iscntrl(c) __sbistype((c), _CTYPE_C) 92 #define isdigit(c) __sbistype((c), _CTYPE_D) 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) __sbistype((c), _CTYPE_X) 100 #define tolower(c) __sbtolower(c) 101 #define toupper(c) __sbtoupper(c) 102 #endif /* !__cplusplus */ 103 104 #if __XSI_VISIBLE 105 /* 106 * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to 107 * tolower() and toupper() respectively, minus extra checking to ensure that 108 * the argument is a lower or uppercase letter respectively. We've chosen to 109 * implement these macros with the same error checking as tolower() and 110 * toupper() since this doesn't violate the specification itself, only its 111 * intent. We purposely leave _tolower() and _toupper() undocumented to 112 * discourage their use. 113 * 114 * XXX isascii() and toascii() should similarly be undocumented. 115 */ 116 #define _tolower(c) __sbtolower(c) 117 #define _toupper(c) __sbtoupper(c) 118 #define isascii(c) (((c) & ~0x7F) == 0) 119 #define toascii(c) ((c) & 0x7F) 120 #endif 121 122 #if __ISO_C_VISIBLE >= 1999 && !defined(__cplusplus) 123 #define isblank(c) __sbistype((c), _CTYPE_B) 124 #endif 125 126 #if __BSD_VISIBLE 127 #define digittoint(c) __sbmaskrune((c), 0xFF) 128 #define ishexnumber(c) __sbistype((c), _CTYPE_X) 129 #define isideogram(c) __sbistype((c), _CTYPE_I) 130 #define isnumber(c) __sbistype((c), _CTYPE_D|_CTYPE_N) 131 #define isphonogram(c) __sbistype((c), _CTYPE_Q) 132 #define isrune(c) __sbistype((c), 0xFFFFFF00L) 133 #define isspecial(c) __sbistype((c), _CTYPE_T) 134 #endif 135 136 #endif /* !_CTYPE_H_ */