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/* Casefunc.c - Character case-change functions.
Copyright (C) 1992, 1996 Malc Arnold.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <ctype.h>
/****************************************************************************/
/* RCS info. */
#ifndef lint
static char *RcsId = "$Id: casefunc.c,v 2.0 1997/09/06 11:56:40 malc Rel $";
#endif /* ! lint */
/****************************************************************************/
/*LINTLIBRARY*/
/****************************************************************************/
int mklower(c)
int c;
{
/* Return c in lowercase if it is an uppercase character */
#ifdef _tolower
return((isascii(c) && isupper(c)) ? _tolower(c) : c);
#else /* ! _tolower */
return((isascii(c) && isupper(c)) ? tolower(c) : c);
#endif /* ! _tolower */
}
/****************************************************************************/
int mkupper(c)
int c;
{
/* Return c in uppercase if it is a lowercase character */
#ifdef _toupper
return((isascii(c) && islower(c)) ? _toupper(c) : c);
#else /* ! _toupper */
return((isascii(c) && islower(c)) ? toupper(c) : c);
#endif /* ! _toupper */
}
/****************************************************************************/
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