/* 
 *  @OPENGROUP_COPYRIGHT@
 *  COPYRIGHT NOTICE
 *  Copyright (c) 1990, 1991, 1992, 1993 Open Software Foundation, Inc.
 *  Copyright (c) 1996, 1997, 1998, 1999, 2000 The Open Group
 *  ALL RIGHTS RESERVED (MOTIF). See the file named COPYRIGHT.MOTIF for
 *  the full copyright text.
 *  
 *  This software is subject to an open license. It may only be
 *  used on, with or for operating systems which are themselves open
 *  source systems. You must contact The Open Group for a license
 *  allowing distribution and sublicensing of this software on, with,
 *  or for operating systems which are not Open Source programs.
 *  
 *  See http://www.opengroup.org/openmotif/license for full
 *  details of the license agreement. Any use, reproduction, or
 *  distribution of the program constitutes recipient's acceptance of
 *  this agreement.
 *  
 *  EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS
 *  PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
 *  WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY
 *  OR FITNESS FOR A PARTICULAR PURPOSE
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 *  EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT
 *  NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT,
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*/ 
/* 
 * HISTORY
*/ 
#ifdef REV_INFO
#ifndef lint
static char rcsid[] = "$XConsortium: StringCompar.c /main/7 1995/07/14 11:45:02 drk $"
#endif
#endif
/***********************************************************************
  	@(#)StringCompar.c	1.4.1.1	Date:1/22/91
  	Author: TAT
	History:
	   03/30/90 SJS Add to sccs tree
	Calls:

	Summary:
            Compare two strings in a case insensitive way.

            INPUTS
                str1 - 1st string
                str2 - 2nd string

            OUTPUTS
                none

            RETURNS
                0 if equal, >0 if str1 > str2, <0 if str1 < str2
************************************************************************/
#include "vislib.h"

int mvsStringCompare(str1,str2)
String str1,str2;
{
    char *p1, *p2;
 
    for (p1=str1, p2=str2; 
         *p1 && *p2 && tolower(*p1) == tolower(*p2);
         p1++, p2++);

    if (*p1 == *p2)
        return(0);
 
    if ((*p2 == 0) || (*p1 > *p2))
        return(1);
    else
        return(-1);

} /* End mvsStringCompare() */