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/* $OpenBSD: isctype.c,v 1.12 2015/09/13 11:38:08 guenther 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)));
}
DEF_STRONG(isalnum);
#undef isalpha
int
isalpha(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_U|_L)));
}
DEF_STRONG(isalpha);
#undef isblank
int
isblank(int c)
{
return (c == ' ' || c == '\t');
}
DEF_STRONG(isblank);
#undef iscntrl
int
iscntrl(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _C));
}
DEF_STRONG(iscntrl);
#undef isdigit
int
isdigit(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _N));
}
DEF_STRONG(isdigit);
#undef isgraph
int
isgraph(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N)));
}
DEF_STRONG(isgraph);
#undef islower
int
islower(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _L));
}
DEF_STRONG(islower);
#undef isprint
int
isprint(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_P|_U|_L|_N|_B)));
}
DEF_STRONG(isprint);
#undef ispunct
int
ispunct(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _P));
}
DEF_STRONG(ispunct);
#undef isspace
int
isspace(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _S));
}
DEF_STRONG(isspace);
#undef isupper
int
isupper(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & _U));
}
DEF_STRONG(isupper);
#undef isxdigit
int
isxdigit(int c)
{
return (c == EOF ? 0 : ((_ctype_ + 1)[(unsigned char)c] & (_N|_X)));
}
DEF_STRONG(isxdigit);
#undef isascii
int
isascii(int c)
{
return ((unsigned int)c <= 0177);
}
DEF_WEAK(isascii);
#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');
}
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