wcsspn.c

来自「winNT技术操作系统,国外开放的原代码和LIUX一样」· C语言 代码 · 共 34 行

/*
 * COPYRIGHT:   See COPYING in the top level directory
 * PROJECT:     ReactOS system libraries
 * FILE:        lib/crt/??????
 * PURPOSE:     Unknown
 * PROGRAMER:   Unknown
 * UPDATE HISTORY:
 *              25/11/05: Added license header
 */

#include <precomp.h>

/*
 * @implemented
 */
size_t wcsspn(const wchar_t *str,const wchar_t *accept)
{
	wchar_t  *s;
	wchar_t  *t;
	s=(wchar_t *)str;
	do {
		t=(wchar_t *)accept;
		while (*t) {
			if (*t==*s)
				break;
			t++;
		}
		if (!*t)
			break;
		s++;
	} while (*s);
	return s-str; /* nr of wchars */
}