libclamav/zziplib/strc.c
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 /* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    Slightly modified for ClamAV by Tomasz Kojm.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.
 
    The GNU C Library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
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 #if HAVE_CONFIG_H
 #include "clamav-config.h"
 #endif
 
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 #ifndef	C_DARWIN
 
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 #include <ctype.h>
 #include <string.h>
 
 /* Compare S1 and S2, ignoring case, returning less than, equal to or
    greater than zero if S1 is lexicographically less than,
    equal to or greater than S2.  */
 int strcasecmp (s1, s2)
      const char *s1;
      const char *s2;
 {
   const unsigned char *p1 = (const unsigned char *) s1;
   const unsigned char *p2 = (const unsigned char *) s2;
   unsigned char c1, c2;
 
   if (p1 == p2)
     return 0;
 
   do
     {
       c1 = tolower(*p1++);
       c2 = tolower(*p2++);
       if (c1 == '\0')
 	break;
     }
   while (c1 == c2);
 
   return c1 - c2;
 }
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 #endif