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Cream of the Crop 1
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PROGRAM
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DJLSR106.ARJ
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ISCTYPE.C
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1992-03-02
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/* This is file ISCTYPE.C */
/* This file may have been modified by DJ Delorie (Jan 1991). If so,
** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,
** Rochester NH, 03867-2954, USA.
*/
/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)isctype.c 5.2 (Berkeley) 6/1/90";
#endif /* LIBC_SCCS and not lint */
#define _ANSI_LIBRARY
#include <ctype.h>
#undef isalnum
isalnum(c)
int c;
{
return((_ctype_ + 1)[c] & (_U|_L|_N));
}
#undef isalpha
isalpha(c)
int c;
{
return((_ctype_ + 1)[c] & (_U|_L));
}
#undef iscntrl
iscntrl(c)
int c;
{
return((_ctype_ + 1)[c] & _C);
}
#undef isdigit
isdigit(c)
int c;
{
return((_ctype_ + 1)[c] & _N);
}
#undef isgraph
isgraph(c)
int c;
{
return((_ctype_ + 1)[c] & (_P|_U|_L|_N));
}
#undef islower
islower(c)
int c;
{
return((_ctype_ + 1)[c] & _L);
}
#undef isprint
isprint(c)
int c;
{
return((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B));
}
#undef ispunct
ispunct(c)
int c;
{
return((_ctype_ + 1)[c] & _P);
}
#undef isspace
isspace(c)
int c;
{
return((_ctype_ + 1)[c] & _S);
}
#undef isupper
isupper(c)
int c;
{
return((_ctype_ + 1)[c] & _U);
}
#undef isxdigit
isxdigit(c)
int c;
{
return((_ctype_ + 1)[c] & (_N|_X));
}
#undef tolower
tolower(c)
int c;
{
if ((c >= 'A') && (c <= 'Z'))
return((c) - 'A' + 'a');
else
return c;
}
#undef toupper
toupper(c)
int c;
{
if ((c >= 'a') && (c <= 'z'))
return((c) - 'a' + 'A');
else
return c;
}