/*	Copyright (c) 1984 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

#ident	"@(#)libc-port:stdio/findiop.c	1.6"
/*	3.0 SID #	1.2	*/
/*LINTLIBRARY*/
#include "shlib.h"
#include <stdio.h>

extern FILE *_lastbuf;

FILE *
_findiop()
{
	register FILE *iop;

	for(iop = _iob; iop->_flag & (_IOREAD | _IOWRT | _IORW); iop++)
		if(iop >= _lastbuf)
			return(NULL);
	return(iop);
}
