sre_ctype.c

来自「hmmer源程序」· C语言 代码 · 共 40 行

/*****************************************************************
 * HMMER - Biological sequence analysis with profile HMMs
 * Copyright (C) 1992-1999 Washington University School of Medicine
 * All Rights Reserved
 * 
 *     This source code is distributed under the terms of the
 *     GNU General Public License. See the files COPYING and LICENSE
 *     for details.
 *****************************************************************/

/* sre_ctype.c
 * 
 * For portability. Some systems have functions tolower, toupper
 * as macros (for instance, MIPS M-2000 RISC/os!)
 * 
 * RCS $Id: sre_ctype.c,v 1.2 1998/10/09 18:07:16 eddy Exp $
 */

#include <ctype.h>
#include "squid.h"

#ifdef MEMDEBUG
#include "dbmalloc.h"
#endif

int
sre_tolower(int c)
{
  if (isupper(c)) return tolower(c);
  else return c;
}

int
sre_toupper(int c)
{
  if (islower(c)) return toupper(c);
  else return c;
}