[unix-history] / usr / src / lib / libc / stdio / rewind.c

#ifndef lint
static char sccsid[] = "@(#)rewind.c	5.1 (Berkeley) %G%";
#endif not lint

#include	<stdio.h>

rewind(iop)
register FILE *iop;
{
	fflush(iop);
	lseek(fileno(iop), 0L, 0);
	iop->_cnt = 0;
	iop->_ptr = iop->_base;
	iop->_flag &= ~(_IOERR|_IOEOF);
	if (iop->_flag & _IORW)
		iop->_flag &= ~(_IOREAD|_IOWRT);
}
Commit	Line	Data
b8f253e8 KM	1	#ifndef lint
	2	static char sccsid[] = "@(#)rewind.c 5.1 (Berkeley) %G%";
	3	#endif not lint
	4
8c222d3d BJ	5	#include <stdio.h>
	6
	7	rewind(iop)
41e01b3e	8	register FILE *iop;
8c222d3d BJ	9	{
	10	fflush(iop);
	11	lseek(fileno(iop), 0L, 0);
	12	iop->_cnt = 0;
	13	iop->_ptr = iop->_base;
	14	iop->_flag &= ~(_IOERR\|_IOEOF);
d8af6b8b MT	15	if (iop->_flag & _IORW)
d8af6b8b MT	16	iop->_flag &= ~(_IOREAD\|_IOWRT);
8c222d3d	17	}