Ultrix-3.1/src/libc/sysV/strpbrk.c

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/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

/*	SCCSID: @(#)strpbrk.c	3.0	4/22/86	*/
/*	(System 5)	1.2	*/
/*LINTLIBRARY*/
/*
 * Return ptr to first occurance of any character from `brkset'
 * in the character string `string'; NULL if none exists.
 */

#define	NULL	(char *) 0

char *
strpbrk(string, brkset)
register char *string, *brkset;
{
	register char *p;

	do {
		for(p=brkset; *p != '\0' && *p != *string; ++p)
			;
		if(*p != '\0')
			return(string);
	}
	while(*string++);
	return(NULL);
}