mblen.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

/* @(#)mblen.c	4.1    ULTRIX	7/3/90 */
/************************************************************************
 *									*
 *			Copyright (c) 1989 by				*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   This software is furnished under a license and may be used and	*
 *   copied  only  in accordance with the terms of such license and	*
 *   with the  inclusion  of  the  above  copyright  notice.   This	*
 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
 *									*
 *   The information in this software is subject to change  without	*
 *   notice  and should not be construed as a commitment by Digital	*
 *   Equipment Corporation.						*
 *									*
 *   Digital assumes no responsibility for the use  or  reliability	*
 *   of its software on equipment which is not supplied by Digital.	*
 *									*
 ************************************************************************/
/*
 *
 * Routine for ANSI multi-byte/wide character conversions.
 * mblen - Return size of multibyte character.
 * ANSI Draft December 7, 1988, section 4.10.7.1
 *
 * 			 Modification History
 *
 * 001	DECwest ANSI 4.10.7.1 djd djd025 1990 Jan 15
 *  		
 * 		Created function.
 */
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

#ifdef	__STDC__
int
mblen(s, n)
const	char	*s;
size_t		n;
#else
int
mblen(s, n)
char    *s;
size_t          n;
#endif
{
	return(mbtowc((wchar_t *)0,s,n));
}