| /* $OpenBSD: isctype.c,v 1.11 2005/08/08 08:05:34 espie 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. |
| */ |
| |
| #define _ANSI_LIBRARY |
| #include <ctype.h> |
| #include <stdio.h> |
| |
| #undef isalnum |
| int |
| isalnum(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L|_N))); |
| } |
| |
| #undef isalpha |
| int |
| isalpha(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L))); |
| } |
| |
| #undef isblank |
| int |
| isblank(int c) |
| { |
| return (c == ' ' || c == '\t'); |
| } |
| |
| #undef iscntrl |
| int |
| iscntrl(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C)); |
| } |
| |
| #undef isdigit |
| int |
| isdigit(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N)); |
| } |
| |
| #undef isgraph |
| int |
| isgraph(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N))); |
| } |
| |
| #undef islower |
| int |
| islower(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L)); |
| } |
| |
| #undef isprint |
| int |
| isprint(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B))); |
| } |
| |
| #undef ispunct |
| int |
| ispunct(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P)); |
| } |
| |
| #undef isspace |
| int |
| isspace(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S)); |
| } |
| |
| #undef isupper |
| int |
| isupper(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U)); |
| } |
| |
| #undef isxdigit |
| int |
| isxdigit(int c) |
| { |
| return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X))); |
| } |
| |
| #undef isascii |
| int |
| isascii(int c) |
| { |
| return ((unsigned int)c <= 0177); |
| } |
| |
| #undef toascii |
| int |
| toascii(int c) |
| { |
| return (c & 0177); |
| } |
| |
| #undef _toupper |
| int |
| _toupper(int c) |
| { |
| return (c - 'a' + 'A'); |
| } |
| |
| #undef _tolower |
| int |
| _tolower(int c) |
| { |
| return (c - 'A' + 'a'); |
| } |