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/* $Id: strspn.c 6118 2003-01-13 06:44:24Z rra $
**
** This file has been modified to get it to compile more easily
** on pre-4.4BSD systems. Rich $alz, June 1991.
*/
#include "config.h"
#include "clibrary.h"
/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if 0
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strspn.c 5.7 (Berkeley) 6/1/90";
#endif /* LIBC_SCCS and not lint */
#include <sys/stdc.h>
#include <string.h>
#endif
/*
* Span the string s2 (skip characters that are in s2).
*/
size_t
strspn(s1, s2)
const char *s1;
const char *s2;
{
const char *p = s1, *spanp;
char c, sc;
/*
* Skip any characters in s2, excluding the terminating \0.
*/
cont:
c = *p++;
for (spanp = s2; (sc = *spanp++) != 0;)
if (sc == c)
goto cont;
return (p - 1 - s1);
}
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