| /* $OpenBSD: ctype.h,v 1.19 2005/12/13 00:35:22 millert Exp $ */ |
| /* $NetBSD: ctype.h,v 1.14 1994/10/26 00:55:47 cgd Exp $ */ |
| |
| /* |
| * Copyright (c) 1989 The Regents of the University of California. |
| * All rights reserved. |
| * (c) UNIX System Laboratories, Inc. |
| * All or some portions of this file are derived from material licensed |
| * to the University of California by American Telephone and Telegraph |
| * Co. or Unix System Laboratories, Inc. and are reproduced herein with |
| * the permission of UNIX System Laboratories, Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)ctype.h 5.3 (Berkeley) 4/3/91 |
| */ |
| |
| #pragma once |
| |
| /** |
| * @file ctype.h |
| * @brief ASCII character classification. |
| */ |
| |
| #include <sys/cdefs.h> |
| #include <xlocale.h> |
| |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_U 0x01 |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_L 0x02 |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_D 0x04 |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_S 0x08 |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_P 0x10 |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_C 0x20 |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_X 0x40 |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_B 0x80 |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_R (_CTYPE_P|_CTYPE_U|_CTYPE_L|_CTYPE_D|_CTYPE_B) |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_A (_CTYPE_L|_CTYPE_U) |
| /** Internal implementation detail. Do not use. */ |
| #define _CTYPE_N _CTYPE_D |
| |
| __BEGIN_DECLS |
| |
| /** Internal implementation detail. Do not use. */ |
| extern const char* _ctype_; |
| |
| /** Returns true if `ch` is in `[A-Za-z0-9]`. */ |
| int isalnum(int __ch); |
| /** Returns true if `ch` is in `[A-Za-z]`. */ |
| int isalpha(int __ch); |
| /** Returns true if `ch` is a space or tab. */ |
| int isblank(int __ch); |
| /** Returns true if `ch` is a control character (any character before space, plus DEL). */ |
| int iscntrl(int __ch); |
| /** Returns true if `ch` is in `[0-9]`. */ |
| int isdigit(int __ch); |
| /** Returns true if `ch` is `[A-Za-z0-9]` or punctuation. */ |
| int isgraph(int __ch); |
| /** Returns true if `ch` is in `[a-z]`. */ |
| int islower(int __ch); |
| /** Returns true if `ch` is `[A-Za-z0-9]` or punctuation or space. */ |
| int isprint(int __ch); |
| /** Returns true if `ch` is punctuation. */ |
| int ispunct(int __ch); |
| /** Returns true if `ch` is in `[ \f\n\r\t\v]`. */ |
| int isspace(int __ch); |
| /** Returns true if `ch` is in `[A-Z]`. */ |
| int isupper(int __ch); |
| /** Returns true if `ch` is in `[0-9A-Fa-f]`. */ |
| int isxdigit(int __ch); |
| |
| /** Returns the corresponding lower-case character if `ch` is upper-case, or `ch` otherwise. */ |
| int tolower(int __ch); |
| |
| /** |
| * Returns the corresponding lower-case character if `ch` is upper-case, or undefined otherwise. |
| * |
| * Available since API level 21. |
| * |
| * Prefer tolower() instead. |
| */ |
| |
| #if __ANDROID_API__ >= 21 |
| int _tolower(int __ch) __INTRODUCED_IN(21); |
| #endif /* __ANDROID_API__ >= 21 */ |
| |
| |
| /** Returns the corresponding upper-case character if `ch` is lower-case, or `ch` otherwise. */ |
| int toupper(int __ch); |
| |
| /** |
| * Returns the corresponding upper-case character if `ch` is lower-case, or undefined otherwise. |
| * |
| * Available since API level 21. |
| * |
| * Prefer toupper() instead. |
| */ |
| |
| #if __ANDROID_API__ >= 21 |
| int _toupper(int __ch) __INTRODUCED_IN(21); |
| #endif /* __ANDROID_API__ >= 21 */ |
| |
| |
| #if __ANDROID_API__ >= __ANDROID_API_L__ |
| /** Like isalnum but with an ignored `locale_t`. */ |
| int isalnum_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like isalpha but with an ignored `locale_t`. */ |
| int isalpha_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like isblank but with an ignored `locale_t`. */ |
| int isblank_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like iscntrl but with an ignored `locale_t`. */ |
| int iscntrl_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like isdigit but with an ignored `locale_t`. */ |
| int isdigit_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like isgraph but with an ignored `locale_t`. */ |
| int isgraph_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like islower but with an ignored `locale_t`. */ |
| int islower_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like isprint but with an ignored `locale_t`. */ |
| int isprint_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like ispunct but with an ignored `locale_t`. */ |
| int ispunct_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like isspace but with an ignored `locale_t`. */ |
| int isspace_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like isupper but with an ignored `locale_t`. */ |
| int isupper_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like isxdigit but with an ignored `locale_t`. */ |
| int isxdigit_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like tolower but with an ignored `locale_t`. */ |
| int tolower_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| /** Like toupper but with an ignored `locale_t`. */ |
| int toupper_l(int __ch, locale_t __l) __INTRODUCED_IN(21); |
| #else |
| // Implemented as static inlines before 21. |
| #endif |
| |
| /** Returns true if `ch` is less than 0x80. */ |
| int isascii(int __ch); |
| /** Returns `ch & 0x7f`. */ |
| int toascii(int __ch); |
| |
| __END_DECLS |