/* ********************************************************************** *\
 *         Copyright IBM Corporation 1988,1991 - All Rights Reserved      *
 *        For full copyright information see:'andrew/config/COPYRITE'     *
\* ********************************************************************** */

/*
	$Disclaimer: 
 * Permission to use, copy, modify, and distribute this software and its 
 * documentation for any purpose is hereby granted without fee, 
 * provided that the above copyright notice appear in all copies and that 
 * both that copyright notice, this permission notice, and the following 
 * disclaimer appear in supporting documentation, and that the names of 
 * IBM, Carnegie Mellon University, and other copyright holders, not be 
 * used in advertising or publicity pertaining to distribution of the software 
 * without specific, written prior permission.
 * 
 * IBM, CARNEGIE MELLON UNIVERSITY, AND THE OTHER COPYRIGHT HOLDERS 
 * DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 
 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT 
 * SHALL IBM, CARNEGIE MELLON UNIVERSITY, OR ANY OTHER COPYRIGHT HOLDER 
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY 
 * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 
 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 
 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
 * OF THIS SOFTWARE.
 *  $
*/

#ifndef NORCSID
#define NORCSID
static char rcsid[]="$Header: /afs/cs.cmu.edu/project/atk-dist/auis-6.3/overhead/util/lib/RCS/ulstlmat.c,v 2.7 1992/12/15 21:10:49 rr2b R6tape $";
#endif

/*
	ulstlmat.c--match leftmost part of string, ignoring alphabetic case.
*/


 

int ULstlmatch (big,small)
char *small, *big;
{
/*  stlmatch  --  match leftmost part of string
 *
 *  Usage:  i = stlmatch (big,small)
 *	int i;
 *	char *small, *big;
 *
 *  Returns 1 iff initial characters of big match small exactly, ignoring alphabetic case.
 *  else 0.
 */
    register char *s, *b, sc, bc;
    s = small;
    b = big;
    do {
	if (*s == '\0')  return (1);
	sc = *s++; if (sc <= 'Z') if (sc >= 'A') sc += ('a' - 'A');
	bc = *b++; if (bc <= 'Z') if (bc >= 'A') bc += ('a' - 'A');
    } 
    while (sc == bc);
    return (0);
}