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/*
* strxpect.c
*
* $Id: strxpect.c,v 1.1.1.1 2006/04/11 17:56:16 source Exp $
*
* Performs a keyword compare
* This functions tests if the second string (which is usually longer than
* the first) begins with the keyword in the first string.
* If so, it returns a pointer to the first non-white character in the second
* string; otherwise a NULL is returned.
*
* Example
* keyword source returns
* -----------------------------------------------
* "SELECT" "SELECT\tA,..." "A,..."
* "SELECT" "SELECTALL ..." NULL
* "SELECTALL" "SELECT " NULL
* "SELECT" "SELECT" ""
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2006 OpenLink Software
*
* This project 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; only version 2 of the License, dated June 1991.
*
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*
*/
#include "libutil.h"
char *
strexpect (char *keyword, char *source)
{
while (isspace (*source))
source++;
while (*keyword && toupper (*keyword) == toupper (*source))
{
keyword++;
source++;
}
if (*keyword)
return NULL;
if (*source == '\0')
return source;
if (isspace (*source))
{
while (isspace (*source))
source++;
return source;
}
return NULL;
}
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