anystr.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 27 行

#ifndef lint
static	char	*sccsid = "@(#)anystr.c	4.1	(ULTRIX)	7/17/90";
#endif lint

# include	"sys/types.h"
# include	"macros.h"

/*
	This routine returns the position of the first character
	in s1 that matches any character in s2.
*/


anystr(s1, s2)
char *s1, *s2;
{
	register int i = -1;
	register int c;

	while (c = s1[++i])
		if (any(c, s2))
			return(i);
	return(-1);
}